Yana, Riska Lili, Ayatusa'adah Ayatusa'adah, and Ridha Nirmalasari. “Penerapan Model Problem Based Learning Secara Daring Terhadap Keaktifan Dan Prestasi Belajar Biologi Peserta Didik”. Journal of Biology Learning 3, no. 1 (March 20, 2021): 18–24. Accessed November 22, 2024. http://journal.univetbantara.ac.id/index.php/jbl/article/view/1335.