Rupić, Boško, Aleksa Panić, and Stefan Milojević. “Regional Differences in Airline Profitability: The Impact of Macroeconomic Conditions, Demand, and Capacity Dynamics”. BizInfo Blace (September 11, 2026). Accessed September 13, 2026. https://www.bizinfo.edu.rs/index.php/bizinfo/article/view/512.