E. KHAN, Muluh; E. KWAGHE, Zara; A. PHILIP, Addass. Certified/Non-Certified Teacher in the Chemistry Classroom in North Eastern Nigeria: Who does a Better Job?. International Journal of Academic Research in Progressive Education and Development, [S. l.], v. 4, n. 1, 2015. Disponível em: https://ijarped.com/index.php/journal/article/view/231. Acesso em: 3 aug. 2025.