HASSAN DAN AZUMI AUDU; JAMILA ABUBAKAR. ACADEMIC PERFORMANCE GAINS IN GEOGRAPHY THROUGH HYBRID LEARNING: A STUDY OF SECOND-YEAR SECONDARY SCHOOL STUDENTS IN NORTH-EAST NIGERIA. International Journal of Education Effectiveness Research, Nigeria, v. 10, n. 8, 2026. DOI: 10.70382/hijeer.v010i8.045. Disponível em: https://harvardpublications.com/hijeer/article/view/570.. Acesso em: 1 feb. 2026.