1. Arakji, R. Y., & Lang, K. R. (2008). Avatar business value analysis: a method for the evaluation of business value creation in virtual commerce. Journal of Electronic Commerce Research, 9(3), 207–218.
2. Bányai, F., Zsila, Á., Griffiths, M. D., Demetrovics, Z., & Király, O. (2020). Career as a professional gamer: gaming motives as predictors of career plans to become a professional esport player. Frontiers in Psychology, 11, 1866. https://doi.org/10.3389/fpsyg.2020.01866
3. Bekhtina, V. J. (2002). Psychological research of MUD gamers. Unpublished diploma thesis Psychology Department, Moscow State University.
4. Bellotti, F., Berta, R., Gloria, A. De, & Primavera, L. (2009). Enhancing the educational value of video games. Computers in Entertainment (CIE), 7(2), 1–18.
5. Chalmet, X. (2015). Sponsorship within esports: examining the sponsorship relationship quality constructs [Master thesis]. Göteborgs Universitet. https://gupea.ub.gu.se/bitstream/2077/39848/1/gupea_2077_39848_1.pdf
6. Christina Gough. (2017). Distribution of selected eSports games fans worldwide as of May 2017, by gender. https://www.statista.com/statistics/744606/gender-share-esports-games- fans/
7. Chua, P. Y. (2014). Kaedah penyelidikan. McGraw-Hill Education (Malaysia) Sdn. Bhd.
8. Efendi, N. A. (2014). Faktor penyebab bermain game online dan dampak negatifnya bagi pelajar (studi kasus pada warung internet di Dusun Mendungan Desa Pabelan Kecamatan Kartasura Kabupaten Sukoharjo) [Master thesis]. Universitas Muhammadiyah Surakarta. http://eprints.ums.ac.id/29906/
9. Eko, G., Reddy, S. H., Hermawan, A., & Achmad, S. (2009). Intranet/internet game online.Makalah. Fakultas Teknologi Industri UPN Veteran Yogyakarta.
10. Hamari, J., & Sjöblom, M. (2017). What is eSports and why do people watch it? Internet Research, 27(2), 211–232.
11. Hefner, D., Klimmt, C., & Vorderer, P. (2007). Identification with the player character as determinant of video game enjoyment. In L. Ma, M. Rauterberg, & R. Nakatsu (Eds.), Entertainment computing lecture notes in computer science (Vol. 4740, pp. 39–48). Springer.
12. Ijan, A., Mohd Ali, M.H., Jonis, C., Jimmy, M.J., Joseph, L., & Velster, J.S. (2016). Kecenderungan Pelajar Univeristi Sabah Malaysia Bermain Permainan Video Secara Talian. [Bachelor thesis]. https://issuu.com/onlinevideogameresearchers/docs/full_research_report
13. Jap, T., Tiatri, S., Jaya, E. S., & Suteja, M. S. (2013). The development of Indonesian online game addiction questionnaire. PloS One, 8(4), e61098. https://doi.org/10.1371/journal.pone.0061098
14. Kuss, D. J., & Griffiths, M. D. (2012). Internet gaming addiction: a systematic review of empirical research. International Journal of Mental Health and Addiction, 10(2), 278–