Edgar S. Ramos, Marie Fe D. de Guzman, and Felipa M. Rico. “Utilization of Self-Learning Module in the New Normal and Academic Achievement in Economics of Students in Public Secondary Schools”. International Journal of Computer Engineering in Research Trends 8, no. 5 (May 31, 2021): 85–94. Accessed November 14, 2025. https://www.ijcert.org/index.php/ijcert/article/view/654.