Rhonnel S. Paculanan, Angelo C. Arguson, and Marvin P. Mabborang. “IT Employment in Metro Manila: An Investigation Between Certification and Degrees in Information Technology Company”. International Journal of Information Technology & Computer Engineering 3, no. 06 (October 1, 2023): 8–19. Accessed September 19, 2024. https://journal.hmjournals.com/index.php/IJITC/article/view/2703.