Pacia, Francis L. “Early Language Literacy and Numeracy (ELLN) and the National Achievement Test (NAT) Performance of Learners in MIMAROPA”. International Journal of Arts, Sciences and Education 5, no. 2 (June 30, 2024). Accessed October 26, 2025. https://www.mail.ijase.org/index.php/ijase/article/view/340.