Ebio, Arvin, and Annie Buenaflor. “Enhancing the Mastery of Basic Integer Operations Among Grade 8 Learners in Secondary Education Through MathSPARK”. Journal of Basic Education Research 6, no. 3 (September 30, 2025): 488-498. Accessed January 2, 2026. https://cahaya-ic.com/index.php/JBER/article/view/2185.