Burhan, K., H. Amsa, I. Astuti, and S. Franchisca. “Gamified Vocabulary Learning through Kahoot and Quizizz: Effects on EFL Students Engagement and Retention”. TOFEDU: The Future of Education Journal, vol. 5, no. 1, Jan. 2026, pp. 199-0, doi:10.61445/tofedu.v5i1.1529.