Senggoro A, Haryo, and Yudha Oktofa S. “Financial Feasibility Studies of EVTOL Aircraft Production Project of PT XYZ ”. Enrichment : Journal of Management 14, no. 3 (August 29, 2024): 407-414. Accessed September 3, 2026. https://www.enrichment.iocspublisher.org/index.php/enrichment/article/view/1953.