MAHENDRA, R. E.; SUMAH, A. S. W. Analysis of Needs for the Development of Electronic Teaching Materials Based on Problem-Based Learning (PBL). BIOEDUSCIENCE, [S. l.], v. 7, n. 2, p. 159–166, 2023. DOI: 10.22236/jbes/10900. Disponível em: https://journal.uhamka.ac.id/index.php/bioeduscience/article/view/10900. Acesso em: 22 dec. 2024.