Madzhd, Svitlana. “ENVIRONMENTAL SAFETY IMPROVEMENT OF SURFACE AND GROUND WATER CONTAMINATION AT THE AIRPORT AREA”. Proceedings of National Aviation University 68, no. 3 (November 11, 2016): 69–73. Accessed November 22, 2024. https://jrnl.nau.edu.ua/index.php/visnik/article/view/10911.