KUSUMA INDRA PERMANA; FIRMAN FAUZI. Cultural Diversity, Motivation, and Leadership: Drivers of Employee Effectiveness in Oil and Gas Support Services Sector. International Journal of Integrative Sciences, [S. l.], v. 4, n. 8, p. 1847–1860, 2025. DOI: 10.55927/ijis.v4i8.498. Disponível em: https://mryformosapublisher.org/index.php/ijis/article/view/498. Acesso em: 27 jun. 2026.