Effects of Jigsaw and Numbered-Head-Together Instructional Strategies on Achievement and Retention in Algebraic Concept among Secondary School Students in Minna Metropolis, Niger State, Nigeria. Federal University Gusau Faculty of Education Journal, [S. l.], v. 3, n. 1, p. 183–193, 2026. DOI: 10.64348/zije.2026358. Disponível em: https://js.foefugusau.com.ng/index.php/foefujs/article/view/358. Acesso em: 5 apr. 2026.