Yana, R. L., Ayatusa'adah, A. and Nirmalasari, R. (2021) “Penerapan model problem based learning secara daring terhadap keaktifan dan prestasi belajar biologi peserta didik”, Journal of Biology Learning, 3(1), pp. 18–24. doi: 10.32585/jbl.v3i1.1335.