Франчук, Г.М., and Я.В. Загоруй. “Change the Sustainability of Natural Territorial Complexes under the Influence of Air Transport Processes”. Proceedings of National Aviation University 31, no. 1 (January 1, 2007): 18–24. Accessed May 6, 2024. https://jrnl.nau.edu.ua/index.php/visnik/article/view/1428.