LUZANO, J. F. Development and Validation of Strategic Intervention Materials (SIMs) of the Selected Topics in Trigonometry of Precalculus Discipline in Senior High School. Journal of Mathematics and Statistics Studies, [S. l.], v. 1, n. 2, p. 26–37, 2020. Disponível em: https://al-kindipublisher.com/index.php/jmss/article/view/752. Acesso em: 20 jun. 2024.