ARWITA, Widya; SITINJAK, Abraham Pranata; AMANDA, Naziha; ISTIARA, Rayuni; MAHMUDAH, Delsa; NASUTION, Sheila Desiska; SIANTURI, Sri Tama Rotua. Planning a Problem Based Learning (PBL) Model in Biology Subjects in High School: A Case Study. ETDC: Indonesian Journal of Research and Educational Review , [S. l.], v. 5, n. 1, p. 196–212, 2025. DOI: 10.51574/ijrer.v5i1.4119. Disponível em: https://etdci.org/journal/ijrer/article/view/4119. Acesso em: 7 dec. 2025.