SHERLY; KISNO; HALIM, F.; DHARMA, E.; MARUDUT MULIA SIREGAR, V. .; SUGARA, H. Optimalisasi Kompetensi Softskill Bagi Operator Motor Diesel Penggerak Generator Listrik Kelas I PTPN IV Sumatera Utara . Jurnal Pengabdian kepada Masyarakat Nusantara, [S. l.], v. 4, n. 2, p. 880-887, 2023. DOI: 10.55338/jpkmn.v4i2.961. Disponível em: http://ejournal.sisfokomtek.org/index.php/jpkm/article/view/961. Acesso em: 7 nov. 2025.