“SERVICE MANAGEMENT SYSTEM HR3: TIME AND ATTENDANCE, CLAIMS AND REIMBURSEMENT, AND LEAVE MANAGEMENT WITH AUTOMATED AND DATA-DRIVEN SHIFT SCHEDULING AND TIMESHEET RECORDING USING QR CODE”. Ascendens Asia Singapore – Bestlink College of the Philippines Journal of Multidisciplinary Research, vol. 7, no. 1, Jan. 2026, https://ojs.aaresearchindex.com/index.php/aasgbcpjmra/article/view/16440.