ORVIN A. LOBITOS; MA MELANIE N. EDIG. The effect of integrating poh shen loh’s approach in improving problem-solving skills of students involving quadratic equation. Journal of Learning and Educational Policy, [S. l.], v. 6, n. 1, p. 14–27, 2026. Disponível em: https://hmjournals.com/journal/index.php/JLEP/article/view/6046. Acesso em: 1 feb. 2026.