(1)
Hutahaean, R. D.; Siregar, T.; Siallagan, J.; Ortis Fredy Waromi. DEVELOPMENT OF IPAS PROJECT E-MODULES THROUGH A PROJECT-BASED LEARNING (PJBL) APPROACH TO IMPROVE SCIENTIFIC LITERACY, ON SUBSTANCE MATERIALS AND THEIR CHANGES. J. IPI 2026, 14, 1-11.