Khachatryan G. The Concept of Low-Cost Airlines as a Way of Increasing the Economic Efficiency of Air Transport. Bull. YSU G: Econ. [Internet]. 2018 Dec. 14 [cited 2024 Nov. 21];9(3 (27):49-61. Available from: https://journals.ysu.am/index.php/bulletin-ysu-economics/article/view/vol_9_no_3_2018_pp049-061