Assessment of Competency Improvement Needs in Teaching and Learning of Laboratory Technique Concept among Secondary School Chemistry Teachers in South East, Nigeria. Federal University Gusau Faculty of Education Journal, [S. l.], v. 5, n. 6, p. 135–141, 2026. DOI: 10.64348/zije.2025232. Disponível em: https://js.foefugusau.com.ng/index.php/foefujs/article/view/232. Acesso em: 2 mar. 2026.