IDRIS, M. K.; JADA, H. M.; GARBA, U. . SCHOOL INSTRUCTIONAL SUPERVISION AND DISPARITIES IN THE ACHIEVEMENT OF EFFECTIVE TEACHING AND LEARNING IN NIGERIAN POST - BASIC SECONDARY SCHOOLS. Sokoto Educational Review, [S. l.], v. 24, n. 2, p. 104–111, 2025. Disponível em: https://sokedureview.org/index.php/SER/article/view/570. Acesso em: 13 oct. 2025.