1.
Pohan AH, Tanjung S, Restu R. Development of problem-based learning based on multimedia to improve learning outcomes. Inov. Curr [Internet]. 2025 May 28 [cited 2026 Oct. 2];22(2):1083-98. Available from: https://ejournal-hipkin.or.id/index.php/jik/article/view/712