Refugio, Craig Narzabal, Maria Ilona Elsa A. Bulado, Patrick G. Galleto, Charles Y. Dimalig, Dundee G. Colina, Hermie V. Inoferio, and Mary Lou R. Nocete. “Difficulties in Teaching Senior High School General Mathematics: Basis for Training Design”. Cypriot Journal of Educational Sciences 15, no. 2 (April 30, 2020): 319–335. Accessed April 16, 2024. https://un-pub.eu/ojs/index.php/cjes/article/view/4589.