Widyaningrum, Diyah Ayu, and Nurmala Hindun. 2020. “LEMBAR KERJA SISWA SEBAGAI BAHAN AJAR BERBASIS PROBLEM BASED LEARNING (PBL)”. Jurnal BIOEDUIN 10 (1):10-16. https://doi.org/10.15575/bioeduin.v10i1.8139.