Rumapea, Lusiana, Masdiana Sinambela, and Melva Silitonga. “The Effectiveness of an Environment-Based Biodiversity Flipbook E-Module on Students’ Biology Understanding and Scientific Process Skills in Grade X of SMA Negeri 21 Medan”. Bioscientist : Jurnal Ilmiah Biologi 14, no. 1 (February 25, 2026): 82–92. Accessed April 13, 2026. https://ojspanel.undikma.ac.id/index.php/bioscientist/article/view/19762.