Arca, E. B. ., R. . Eturalde, M. . Nicodemos, R. . Ronald Jr., R. . Quinday, and J. . Lucero. “Travel and Tours Management System – Administrative (Legal Management, Document Management, Facility Reservation, Visitor Management)”. 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/2172.