Geoffrey Ukala and Nwanneka Josephine Okoli 2025. RELATIVE EFFECTIVENESS OF GOOGLE CLASSROOM AND WHATSAPP INSTRUCTIONS ON STUDENTS’ ENGAGEMENT IN BASIC BIOLOGY IN UNIVERSITIES IN SOUTH-EAST, NIGERIA. MOJES: Malaysian Online Journal of Educational Sciences. 13, 3 (Jul. 2025), 38–49. DOI:https://doi.org/10.22452/mojes.vol13no3.3.