Bogunenko M, Luppo O, Argunov G, Subbotin S, German A. CONCEPT-MODEL OF SEMI-DUPLEX VHF TRAINING STATION. Proceedings of National Aviation University [Internet]. 2019 Aug. 13 [cited 2024 Apr. 28];79(2):34-40. Available from: https://jrnl.nau.edu.ua/index.php/visnik/article/view/13829