Pewnil T. Effects of Participation in Online Quizzes and Pre-Examination Engagement on Academic Performance in Demography: A Study of University Students in a Non-Mandatory Attendance Setting. JRM [internet]. 2025 Jun. 25 [cited 2026 Sep. 13];38(1):17-38. available from: https://so12.tci-thaijo.org/index.php/jrm/article/view/1610