Loquias, Anabelle U. “Effectiveness of the Enrichment Activity in Naming and Writing Chemical Formulas Among Grade 10 Students of Bilaran National High School”. Instabright International Journal of Multidisciplinary Research 2, no. 2 (December 15, 2020): 87–92. Accessed February 23, 2025. https://instabright.online/index.php/journal/article/view/2.