Marmita, V. A., Mariano, M. B. and Masela, E. M. (2018) “Principal Component Analysis: A Revalidation of the Mathematics Persistence Scale”, Journal of Education and Society, 2(1), pp. 32–40. Available at: https://journals.lnu.edu.ph/index.php/jes/article/view/40 (Accessed: 3 April 2025).