Білявський, Г., and А. Голод. “ECOLOGICAL SAFETY OF CITIZENS OF RECREATIONAL ZONES OF THE BLACK SEA”. Proceedings of National Aviation University (archive) 50, no. 1 (April 17, 2012): 189–195. Accessed April 13, 2026. http://jrnl.nau.edu.ua/index.php/visnik/article/view/131.