Dr. Froilan D. Mobo, and Friedr. “Philippine Merchant Marine Academy (PMMA) Shipboard Monitoring System”. International Journal of Human Computing Studies 2, no. 6 (December 29, 2020): 41-48. Accessed December 22, 2024. https://journals.researchparks.org/index.php/IJHCS/article/view/1084.