“Sistem Informasi Data Karyawan Berbasis Web Di PTPN IV Regional I Unit Group Serdang 2”, JPMP - Teknologi : Jurnal Pengabdian Masyarakat Penusa Teknologi, vol. 3, no. 2, pp. 179–188, Sep. 2026, Accessed: Nov. 09, 2026. Available: https://journal.pelitanusantara.ac.id/index.php/jpmp/article/view/806