Halim, Soesilowaty. “Application of Biology Learning Media at SMA Negeri 3 Samarinda Using the Direct Instruction Model to Improve Student Learning Outcomes”. Educationist: Journal of Educational and Cultural Studies 1, no. 2 (November 19, 2022): 242–251. Accessed February 24, 2025. https://jurnal.litnuspublisher.com/index.php/jecs/article/view/84.