MARY WANDERI; SAMUEL WAWERU. Teacher -related barriers to effective utilization of science-teaching and learning resources in secondary schools in Kiambu County, Kenya. . International Journal of Education Management and Administration (IJEMA), [S. l.], v. 2, n. XII, p. 34–44, 2018. DOI: 10.1234/ijema.v2iXII.25. Disponível em: https://www.demo.focusjournals.org/index.php/IJEMA/article/view/25. Acesso em: 4 may. 2026.