Andrade, Ivan James C., et al. “ Transport Network Vehicle System - Human Resources 3 (Timesheet Management, Claims and Reimbursement, Leave Management, Shift and Scheduling, Time and Attendance): Vol.3, No.1B”. Ascendens Asia Singapore – Bestlink College of the Philippines Journal of Multidisciplinary Research, vol. 3, no. 1B, Apr. 2024, https://ojs.aaresearchindex.com/index.php/aasgbcpjmra/article/view/12934.