ARMAH, P. H. . Distributional Inequality in Mathematics Achievement: Quantile Regression Evidence from Low-Performing Secondary Schools in Ghana. International Journal of Learning, Teaching and Educational Research, [S. l.], v. 25, n. 5, p. 252–282, 2026. Disponível em: https://ijlter.net/index.php/ijlter/article/view/2853. Acesso em: 13 jun. 2026.