Uy, Edison L., Ma. Noreen R. Eredia, John Lawrence A. Verzosa, Katrina M. Cabanacan, Rezy V. Mendaño, and Carmen R. Lim. “Determining the Acceleration Due to Gravity Using a Smartphone-Based Pendulum System”. Journal of Research in Mathematics, Science, and Technology Education 3, no. 2 (April 1, 2026): 81–89. Accessed April 17, 2026. https://spm-online.com/jrmste/index.php/journal/article/view/58.