Khachatryan, Gegham. “Airport Activity As a Factor of the Development of the Armenian Economy”. Bulletin of Yerevan University G: Economics 4, no. 3 (December 28, 2013): 31–41. Accessed July 22, 2024. https://journals.ysu.am/index.php/bulletin-ysu-economics/article/view/vol_4_no_3_2013_pp031-041.