Tarigan, Indra Lasmana, and Madyawati Latief. 2022. “Implementation of the Project-Based Learning (PjBL) Model in Bioactivity Courses to Improve Students’ Activities and Learning Outcomes”. Gema Wiralodra 13 (1):157-67. https://doi.org/10.31943/gemawiralodra.v13i1.218.