Villegas, M. ., V. U. . Mabaquiao, H. . Tenedero, W. . Adoma, J. V. . Olangco, and J. . Lucero. “Service Management System Payroll”. 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/2377.