Belleza, N. ., C. . Adufina, H. . Banaag, I. . Patotoy, S. J. . Revamonte, and D. . Cacho. “Document Management System and Document Tracking System”. Ascendens Asia Singapore – Bestlink College of the Philippines Journal of Multidisciplinary Research, vol. 2, no. 1, Apr. 2020, https://ojs.aaresearchindex.com/index.php/aasgbcpjmra/article/view/2419.