Macasaddu, Jimmy, Roselle Mae Manuel, Merly Ramos, Jocel Pearl Santos, Kayceilene Sibal, and Marilyn Viernes. “Proficiency Of Pre-Service Teachers in Mathematics In The Modern World: Basis For Learning Resource Package”. Journal of Pure and Applied Sciences 3, no. 1 (April 4, 2025). Accessed December 16, 2025. https://csu.org.ph/jpas/article/view/51.