Іванкевич ОВ, Вахнован ВЮ. Institution repository of National Aviation University – new online resource of electronic library. Proceedings of National Aviation University [Internet]. 2013 May 11 [cited 2024 Apr. 28];55(2):149-56. Available from: https://jrnl.nau.edu.ua/index.php/visnik/article/view/5445