Valentina Monoarfa, Lina Putri Taufik, and Kartika Putri Husain. “Analisis Efisiensi Biaya Tenaga Kerja Langsung Pada PT. Davincy Airindo”. ManBiz: Journal of Management and Business 3, no. 2 (November 3, 2024): 206 –. Accessed April 30, 2026. https://journal-laaroiba.com/ojs/index.php/manbiz/article/view/5566.