Manalaysay, Ellenita G, Arellano, Ma. Concepcion Dc, Amores, Minerva R, and Malang, Paulino P. 2024. “Improving Performance and Level of Attitude Towards Learning Integral Calculus Using GeoGebra”. Educational Administration: Theory and Practice 30 (6):3446-55. https://doi.org/10.53555/kuey.v30i6.415.