1. Alley,D.W.(2022).Pengertian Skala Likert, Cara Penggunaan dan Contoh. https://www.cs.auckland.ac.nz/~ian/CBR/8-30%20Aha-Kibler-Albert-91.pdf
2. Barksdale, C.; Peters, M.L.; Corrales, A. (2021) Middle school students’ perceptions of classroom climate and its relationship to achievement. Educ. Stud,47, 84–107.
3. Cámara-Zapata, J.M.; Morales, D. (2020). Cooperative learning, student characteristics, and persistence: An experimental study in an engineering physics course. Eur. J. Eng. Educ.,45, 565–577.
4. De Carvalho, C.V.; Coelho, A. (2022). Game-Based Learning, Gamification in Education and Serious Games Computers. 11, 36. https://doi.org/10.3390/ computers11030036
5. Dendup, T.; Onthanee, A. (2020) Effectiveness of cooperative learning on English communicative ability of 4th grade students in Bhutan.Int. J. Instr.,13, 255–266 http//:doi:10.1007/978-1-4419-1428-6_437
6. Elizabeth Thistlethwaite. (2020). The effectiveness of casebased learning in health professional education. A BEME systematic review: BEME Guide No. 23, Medical Teacher, 34:6, e421-e444https://www.tandfonline.com/doi/pdf/10.3109/0142159X.2012.680939?needAccess=true
7. Hussaini, Nilofer & John, Sunil & Sarkar, Bidisha & jain, sunitha & Alexander, Daisy. (2021). Game-Based Learning in Higher Education: An Effective Pedagogical Tool for Enhanced Competency Building. https//doi:10.4018/978-1-7998-7271-9.ch008.
8. Ismaizam, N. M., Rahman, S. F. A., Ahmad, S. N. S. M., Nazri, N. I. I. M., Idris, N. A. A., Ali, N. A., Rafi, N. F. B. M., Mohamad, S. N. A., Rahim, A. A. A., Rashid, K. K. A., & Aldaba, A. M. A. (2022). An Integration of Game-based Learning in a Classroom: An Overview (2016 - 2021). International Journal of Academic Research in Progressive Education and Development, 11(1), 1207–1221. https://doi: 10.1007/978-1-4419-1428-6_437
9. Kementerian Pendidikan Malaysia (KPM). (2021). KPM PerkasaKU: Program Pemerkasaan Pelaksanaan Kurikulum. https://studentportal.my/kpm-perkasaku/
10. Keodara, K. (2019). The Implementation of Game-Based Learning to Improve in English in Cambodia. Media Education Program.
11. Minghong Bi (2019). Comparison of case-based learning and traditional method in teaching postgraduate students of medical oncology, Medical Teacher, 41:10, 1124-1128, DOI: 10.1080/0142159X.2019.1617414. https://www.tandfonline.com/doi/epub/10.1080/0142159X.2019.1617414?needAccess=true
12. Muhridza, N. H., Rosli, N. A., Sirri, A., & Abdul Samad, A. (2018). Using Game-based Technology, kahoot! for Classroom Engagement. LSP International Journal. 5(2).
13. Partovi, T., & Razavi, M. R. (2019). The effect of game-based learning on academic achievement motivation of elementary school students. Learning and Motivation. 68. 101592.
14. Qian, M., & Clark, K. R. (2016). Game-Based Learning and 21st Century Skills: A Review of Recent Research. Computers in Human Behavior, 63, 50–58 https://doi:10.1016/j.chb.2016.05.023
15. Santos, J.; Jesmin, T.; Martis, A.; Maunder, M.; Cruz, S.; Novo, C.; Schiff, H.; Bessa, P.; Costa,R.; Carvalho, C.V.d. (2021) Developing Emotional Intelligence with a Game: The League of Emotions Learners Approach. Computers. 10(97).
16. Stephen Kemmis & Mc Taggart (2009) Action research as a practice‐based practice, Educational Action Research, 17:3, 463-474, https//DOI: 10.1080/09650790903093284
17. The Jigsaw Classroom. (2019). https://www.jigsaw.org/
18. Whitton, N. (2012). Game Based Learning. In Encyclopedia of the Sciences of Learning.Springer.
19. Zafeiropoulou, M.; Volioti, C.; Keramopoulos, E.; Sapounidis, T. (2021). Developing Physics Experiments Using Augmented Reality Game-Based Learning Approach: A Pilot Study in Primary School. Computers, 10, 126.
20. Zakaria, N. Y. K., Yunus, M., Hashim, H., Nordin, M. N., Norman, H., & Adnan, N. H. (2021b). Pre-Service Teachers’ Views on the Implementation of Game-Based Learning for Academic Writing Skills. Sains Insani, 6(1), 11–16. https://doi.org/10.33102/sainsinsani.vol6no1.226
21. Zhang, F. (2018). The application of the game-based approach in primary school English teaching. Proceedings of the 2nd International Conference on Economics and Management, Education, Humanities and Social Sciences (EMEHSS 2018), 595–596. https://doi.org/10.2991/emehss18.2018.120