Ivagher et al. DE. Perceived influence of instructional supervision on students’ academic performance in secondary schools in Makurdi Education Zone of Benue State, Nigeria. IJIS [Internet]. 2021 Oct. 1 [cited 2024 May 3];3(2):46-54. Available from: https://iannajournalofinterdisciplinarystudies.com/index.php/1/article/view/68