CABANGISAN, L. A.; TUBO, B.; CAÑO, C. Principal component and multiple regression analysis in modelling of grade and factors affecting the students’ performance in Pre-Calculus. The Mindanawan Journal of Mathematics, [S. l.], v. 6, n. 2, p. 155–170, 2024. DOI: 10.62071/tmjm.v6i2.724. Disponível em: https://journals.msuiit.edu.ph/tmjm/article/view/724. Acesso em: 27 apr. 2025.