Purwati Kuswarini, Aji Riyanto, and Egi. “Wimba Learning Strategy With PjBL Model: How the Effect Student in Excretory System Concept?”. Biosfer: Jurnal Pendidikan Biologi 13, no. 2 (October 22, 2020): 292–306. Accessed November 22, 2024. https://journal.unj.ac.id/unj/index.php/biosfer/article/view/12449.