Abu Yazid, Zarinah, et al. “The Role of Perceived Usefulness and Ease of Use in Online Gamification: A Conceptual Study Using Gamification Acceptance Model (GAM) in Higher Education”. Information Management and Business Review, vol. 17, no. 3(I)S, Oct. 2025, pp. 36-42, https://doi.org/10.22610/imbr.v17i3(I)S.4570.