NKWADIPO, L. B.; RABAZA, M. Pedagogical Challenges in the Teaching of N-Level 4 Economics. International Journal of Learning, Teaching and Educational Research, [S. l.], v. 20, n. 9, p. 272–286, 2021. Disponível em: http://ijlter.net/index.php/ijlter/article/view/35. Acesso em: 20 apr. 2026.