Nisa, Aulia, Refirman Djamahar, and Dian Evriyani. “Effect of Application of Ular Tangga Game Media on Cognitive Learning Result of Human Reproductive System”. Biosfer: Jurnal Pendidikan Biologi 8, no. 2 (March 24, 2018): 20-26. Accessed May 3, 2025. http://103.8.12.212:33180/unj/index.php/biosfer/article/view/6429.