KANU, Mary; OJONG, Margaret; OTU, Bernard. Instructional Quality Assurance Practices and Students’ Academic Performance in Economics in Calabar Education Zone of Cross River State, Nigeria. Transdisciplinary Journal of Education & Sustainable Development Studies, [S. l.], v. 1, n. 3, p. 135–152, 2026. DOI: 10.60787/tjesds.vol1no3.44. Disponível em: https://tjesds.org.ng/index.php/home/article/view/44. Acesso em: 4 feb. 2026.