Sari, Eva Novika, Reduk Nilawarni, and Erna Heryanti. “The Effect of Two Stay Two Stray (TSTS) Technique of Cooperative Learning Model Toward Students Biology Learning Outcomes”. Biosfer: Jurnal Pendidikan Biologi 7, no. 1 (January 23, 2018): 25-29. Accessed April 16, 2026. http://103.8.12.212:33180/unj/index.php/biosfer/article/view/5660.