PASCUA, JAYLORD. “IMPROVING THE COMPETENCE OF GRADE 9 STUDENTS ON THE CONCEPT OF DEMAND THROUGH SIM-BAHAN”. International Journal of Arts, Sciences and Education 5, no. 2 (June 30, 2024): 1–13. Accessed April 17, 2026. https://ijase.org/index.php/ijase/article/view/321.