Vilog, Julius Marvin Baron, Rammy Antilano Lastierre, and Luisito P. Servinas. “Grade 7 Learners’ Difficulties With Integers”. Busilak 1 (March 7, 2023). Accessed February 25, 2026. https://stiwnu-journals.org/index.php/Busilak/article/view/17.