Sadvakassova KG, Jamshidi D, Nurmagambetova AZ, Kassenova GE. Efficiency of aviation companies’ financing and formation of its investment attractiveness. JRBA [Internet]. 2022 Dec. 26 [cited 2024 Nov. 15];142(4):57-68. Available from: https://be.kaznu.kz/index.php/math/article/view/2406