Sistem Informasi Data Karyawan Berbasis Web Di PTPN IV Regional I Unit Group Serdang 2. JPMP - Teknologi : Jurnal Pengabdian Masyarakat Penusa Teknologi [Internet]. 2026 Sep. 8 [cited 2026 Nov. 9];3(2):179-88. Available from: https://journal.pelitanusantara.ac.id/index.php/jpmp/article/view/806