PARLINDA, P.; UBAIDILLAH, H. Training, Motivation, and Environment: Boosting Contractor Work Productivity: Pelatihan, Motivasi Kerja, dan Lingkungan Kerja: Meningkatkan Produktivitas Kerja Kontraktor. Academia Open, [S. l.], v. 8, n. 1, p. 10.21070/acopen.8.2023.3964, 2023. DOI: 10.21070/acopen.8.2023.3964. Disponível em: https://acopen.umsida.ac.id/index.php/acopen/article/view/3964. Acesso em: 7 dec. 2025.