TARIGAN, Miska Irani; SITUMORANG, Melviola. The Influence of HR Development, Standard Operational Procedures, Work Facilities and Motivation on Employee Performance. International Journal of Environmental, Sustainability, and Social Science, [S. l.], v. 5, n. 4, p. 983–993, 2024. DOI: 10.38142/ijesss.v5i4.1108. Disponível em: https://staging.journalkeberlanjutan.com/index.php/ijesss/article/view/1108. Acesso em: 13 jun. 2026.