Borlagdan, M. ., M. Concepcion, E. R. E. . Lamanilao, A. B. . Pangilinan, and D. J. . Verwin. “AIRPORT MANAGEMENT SYSTEM: LOGISTIC 2 (Vendor Portal, Audit Management, Vehicle Reservation, Fleet Management, Document Tracking System Approval)”. Ascendens Asia Singapore – Bestlink College of the Philippines Journal of Multidisciplinary Research, vol. 1, no. 1, Apr. 2019, https://ojs.aaresearchindex.com/index.php/aasgbcpjmra/article/view/2224.