Mante, Adrian, and Lemuel Sayao. “Pedagogical Content Knowledge and Performance of Education Unit-Earner Teachers in Public Schools”. Journal of Interdisciplinary Perspectives 3, no. 9 (August 6, 2025): 108–115. Accessed October 16, 2025. https://www.jippublication.com/index.php/jip/article/view/1238.