SALIHU ABDULLAHI GALLE; AKUSON, FELICIA DANJUMA; AUDI, IBRAHIM ABUBAKAR. EFFECT OF HEURISTIC TEACHING APPROACH ON SOCIAL STUDIES ACHIEVEMENT OF UPPER BASIC II STUDENTS IN KARU LGA, NASARAWA STATE, NIGERIA. International Journal of African Research Sustainability Studies, Nigeria, v. 4, n. 2, 2024. Disponível em: https://cambridgeresearchpub.com/ijarss/article/view/221.. Acesso em: 26 oct. 2025.