Igcasama, Raymund Medrano, Dexter T. Ramirez, and Naome P. Salanap. “Evaluation of Photo Math in Teaching Elementary Algebra”. Journal of Education Research and Evaluation 4, no. 4 (November 17, 2020): 408–413. Accessed February 14, 2025. https://ejournal.undiksha.ac.id/index.php/JERE/article/view/29749.