1. Adams, J. G., & Walls, R. M. (2020). Supporting the Health Care Workforce during the COVID-19 Global Epidemic. Journal of the American Medical Association, 323(15), 1439-1440.
2. Al Thobaity, A. & Alshammari, F. (2020). Nurses on the Frontline against the COVID-19 Pandemic: An Integrative Review. Dubai Medical Journal, 3(3), 87-92.
3. Aschwanden, C. (2020). How ‘superspreading’ events drive most covid-19 spread. Scientific American.https://www.scientificamerican.com/article/how-superspreading-events-drive-most-covid-19-spread1/.
4. Arif Shah, J., Suandi, T., Raba’ah Hamzah, S., & Arif Ismail, I. (2014). Why Youths Choose to Become Volunteers: From the Perspective of Belief. Athens Journal of Social Sciences, 2(1), 51-64.
5. Azizan, B. (1993). Lack of volunteer participation. http://www.sukarelawanmalaysia .com/v1/artikel-tekspembentangan/32-kerja-sukarela-kurang-mendapat sambutan.html. Magazine of Dewan Masyarakat.
6. Bateman, T. S., & Snell, S. (2013). Management: Leading & collaborating in a competitive world. (6th ed.). New York: McGraw-Hill Irwin.
7. Bazan, D., Nowicki, M., & Rzymski, P. (2021). Medical students as the volunteer workforce during the COVID-19 pandemic: Polish experience. International Journal of Disaster Risk Reduction, 55, 102109.
8. Biddle, N., Edwards, B., Gray, M., & Sollis, K. (2020). Hardship, distress, and resilience: The initial impacts of COVID-19 in Australia. ANU Centre for Social Research and Methods, 33(April), 1-43.
9. Buckland, R. (2020). Medical student volunteering during COVID-19: Lessons for future interprofessional practice. Journal of Interprofessional Care, 34(5), 679–681.
10. Carlos, N. (2020). Volunteer at the Olympics: 2020 Tokyo Summer Olympic Games, 2022 Beijing Winter Olympic Games and Beyond. https://www.volunteerforever.com/article_post/volunteer-at-the-olympics-2020-tokyo-summer-olympic-games-2022-beijing-winter-olympic-games-and-beyond/.
11. Claxton-Oldfield, S. & Claxton-Oldfield, J. (2012). Should I Stay or Should I Go: A Study of Hospice Palliative Care Volunteer Satisfaction and Retention. American Journal of Hospice and Palliative Medicine, 29(7), 525-530.
12. Cleave, S. L., & Doherty, A. (2005). Understanding volunteer and non-volunteer constraints: A mixed-method approach. In 11th Canadian Congress on Leisure Research.
13. Engelson, B., Robinson, L., & Spence Coffey, D. (2020). Health professional education student volunteerism amid COVID-19: How a diverse, interprofessional team of health students created a volunteer model to support essential workers. NAM Perspectives.
14. Erik L. L. (2020). COVID-19 and its Impact on Volunteering: Moving Towards Virtual Volunteering, Leisure Sciences.
15. Frieden, T. R., & Lee, C. T. (2020). Identifying and Interrupting Superspreading Events. Implications for Control of Severe Acute Respiratory Syndrome Coronavirus 2. Emerging Infectious Diseases, 26(6), 1059-1066.
16. Garis Panduan Petugas Sukarela Semasa Wabak COVID-19 untuk Kementerian Kesihatan Malaysia. (2020). Persatuan Pakar Perubatan Awam Malaysia.
17. http://pppkam.org.my/web2/wp-content/uploads/2020/04/garispanduan-petugas-sukarela-Dr-Hasni.pdf.
18. Halabowski, D., & Rzymski, P. (2020). Taking a lesson from the COVID-19 pandemic: Preventing the future outbreaks of viral zoonoses through a multi-faceted approach. Science of The Total Environment, 757, 143723.
19. Hassan, N., Razali, S. M., & Mohamad, M. S. (2021). Cabaran Polis Dan Tentera Mendepani Pandemik Covid-19. Journal of Social Sciences and Humanities, 18(3), 241-252.
20. Kementerian Kesihatan Malaysia; E-Magazine Kesihatan Mental 2020 (MyHealth For Life) edisi Oktober 2020. https://www.moh.gov.my/moh/resources/ Penerbitan/ Rujukan/ Umum/e-;Magazine_Kesihatan_Mental_2020_(Reduced_File).pdf.
21. Kementerian Kesihatan Malaysia (2020a). https://www.facebook.com/ kementerian kesihatanmalaysia /posts/ penyertaan-sebagai-sukarelawan-bagi-pengendalian-kes-covid-19-di-fasiliti- kmmes/10156877787226237/. Kementerian Kesihatan Malaysia (2020b). https://www.infosihat.gov.my/images/media _sihat/buku_kecil/Pembudayaan%20Norma%20Baharu/HTML/mobile/index.html
22. Kementerian Kesihatan Malaysia. (2021); https://www.infosihat.gov.my/index.php/wabak-novel-coronavirus-atau-2019ncov.
23. Lai, C. C., Shih, T. P., Ko, W. C., Tang, H. J., & Hsueh, P. R. (2020). Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and coronavirus disease-2019 (COVID-19): The epidemic and the challenges. International Journal of Antimicrobial Agents, 55(3), 105924.
24. Lee, S., Saito, T., Takahashi, M., & Kai, I. (2007). Volunteer participation among older adults in Japan: An analysis of the determinants of participation and reasons for non-participation. Archives of Gerontology and Geriatrics, 47(2), 173-187.
25. Legido-Quigley, H., Mateos-García, J. T., Campos, V. R., Gea-Sánchez, M., Muntaner, C., & McKee, M. (2020). The resilience of the Spanish health system against the COVID-19 pandemic. The Lancet Public Health, 5(5), 1-2.
26. Mahase, E. (2020). Covid-19: medical students to be employed by NHS. British Medical Journal, 368, 1156. https://doi.org/10.1136/bmj.m1156.
27. Martinez, D., Parilli, C., Scartascini, C. & Simpser, F. (2021). Let's (not) get together! The role of social norms on social distancing during COVID-19. PloS One. 16. e0247454. 10.1371/journal.pone.0247454.
28. McGhee, R., Ehrler, D., Buckhalt, J., & Phillips, C. (2012). The relation between five-factor personality traits and risk-taking behavior in preadolescents, Psychology, 3, 54-65.
29. Menon, A., Klein, E. J., Kollars, K., & Kleinhenz, A. (2020). Medical Students Are Not Essential Workers: Examining Institutional Responsibility During the COVID-19 Pandemic. Academic Medicine: Journal of the Association of American Medical Colleges, 95(8), 1149–1151.
30. Mohd Zain, N., & Che Mut, N. A. I. (2020). The perceptions on the recent COVID-19 pandemic: A study on health-care students in Malaysia. Asian Education and Development Studies. https://doi.org/10.1108/AEDS-05-2020-0109.
31. Murray, V., & Harrison, Y. (2005). Virtual volunteering. In J. L. Brudney (Ed.), Emerging areas of volunteering (pp. 33–50). Indianapolis, IN: Association for Research on Nonprofit Organizations and Voluntary Action.
32. Norazrine, A. T., Abdul Razaq, A., & Mohd Mahzan, A. (2017). Dorongan Persekitaran Sosial dalam Aktiviti Kesukarelawan dalam Kalangan Sukarelawan. Seminar Pendidikan Serantau VIII 2017, 1008-1014.
33. Nicholson, N., Soane, E., Fenton-O’Creevy, M., & Willman, P. (2005). Personality and domain-specific risk taking. Journal of Risk Research, 8(2), 157-176.
34. Nur Hafizah, M. A., Azlinda, A. & Noremy M. A. (2020a). Kesan bencana terhadap kesihatan dan keselamatan sukarelawan. Jurnal Psikologi Malaysia, 34(2), 93-104. http://spaj.ukm.my/ppppm/jpm/article/view/564.
35. Nur Hafizah, M. A., Azlinda, A., Noremy, M. A. (2020b). Kesiapsiagaan: Kepentingan Keperluan Latihan Bencana Sebagai Langkah Kesediaan Sukarelawan Banjir. Perdana Journal of Academic Research, 8(1), 1-9. https://perdanajournal.com/index.php/perdanajournal/article/view/68
36. Nur Hafizah, M. A., Azlinda, A., & Noremy, M. A. (2018a). Keperluan dan Kesiapsiagaan Sukarelawan Membantu Mangsa Bencana Alam. Asian Social Work Journal, 3(1), 46 54. https://msocialwork.com/index.php/aswj/article/view/36.
37. Oehler, A., & Wedlich, F. (2018). The Relationship of Extraversion and Neuroticism with Risk Attitude, Risk Perception, and Return Expectations. Journal of Neuroscience, Psychology, and Economics, 11, 63-92.
38. O’Driscoll, M. P., Ilgen, D. R., & Hildreth, K. (1992). Time Devoted to Job and Off-Job Activities, Interrole Conflict, and Affective Experiences. Journal of Applied Psychology, 77(3), 272-279.
39. Perold, H. & Mati, J. & Allum, C. & Lough, B. (2020). COVID-19 and Volunteering for Development: Impacts, Innovations and Implications. International Forum for Volunteering in Development.
40. Pickell, Z., Gu, K., Williams, A. M. (2020) Virtual volunteers: the importance of restructuring medical volunteering during the COVID-19 pandemic. Medical Humanities, 46, 537-540.
41. Potolidis, D. (2020). Medical Volunteerism in Times of COVID-19: Burden or Relief? International Journal of Medical Students, 152-153.
42. Sharififar F, Jamalian Z, Nikbakhsh R, & Ramezani, Z. N. (2011) Influence of social factors and motives on commitment of sport events volunteers. World Academy of Science, Engineering and Technology, 77, 1078-1082.
43. Suanda, J., Hamzah, M. R., Bahari, A., Ku Daud, K. A., Hamzah, S. R., & Suandi, T. (2012). Semangat kesukarelawan dalam kalangan mahasiswa melayu di IPTA: satu tinjauan ke arah pembentukan pendidikan kesukarelawan. Seminar Pendidikan Melayu Antarabangsa (SePMA) 2012.
44. Tharshini, N. K., & Fauziah, I. (2019) Pembudayaan kesukarelawanan dalam kalangan masyarakat: satu kajian ulasan sistematik. Journal of Human Capital Development, 12 (2) 43-52.
45. Valdez, C., & Nichols, T. (2013). Motivating Healthcare Workers to Work During a Crisis: A Literature Review. Journal of Management Policy and Practice, 14(4), 43-51.
46. Vizeshfar, F., Momennasab, M., Yektatalab, S., & Iman, M.T. (2018). Challenges faced by health volunteers in comprehensive health centers in the southwest of Iran: A qualitative content analysis. Journal of Medicine and Life, 11, 62-68.
47. World Health Organization (2020). Coronavirus disease (covid-19) advice for the public. https://www.who.int/emergencies/diseases/novel-coronavirus-2019/advice-for-public.
48. World Health Organization (2021). Coronavirus disease (covid-19) advice for the public. Coronavirus disease (COVID-19) advice for the public: When and how to use masks. https://www.who.int/emergencies/diseases/novel-coronavirus-2019/advice-for-public/when-and-how-to-use-masks.