[1]
Sa’diyah, A. et al. 2026. Problem-based instructional module on the excretory system: the impact on high school students’ scientific process skills. Biosfer: Jurnal Pendidikan Biologi. 19, 1 (Feb. 2026), 50–58. DOI:https://doi.org/10.21009/biosferjpb.56748.