Питель О. THE AB INITIUAL AIR TRAFFIC CONTROLLERS CABABILITY FOR MAINTAINING RADIOTELEPHONY USING THE ENGLISH LANGUAGE. Proceedings of National Aviation University [Internet]. 2012 Mar. 19 [cited 2024 Dec. 21];47(2):188-92. Available from: https://jrnl.nau.edu.ua/index.php/visnik/article/view/36