Đorđević Milutinović, L., D. Makajić-Nikolić, S. Antić, M. Živić, and A. Lisec. “Control Model for Ground Crew Scheduling Problem at Small Airports: Case of Serbia”. Transport, vol. 36, no. 3, Sept. 2021, pp. 235-4, doi:10.3846/transport.2021.15369.