Рибалова, Ольга Володимирівна, and Сергій Володимирович Бєлан. “Analysis of Causes of Emergency Fish Death in Kharkov Region”. Eastern-European Journal of Enterprise Technologies 6, no. 10(60) (December 13, 2012): 17–21. Accessed July 18, 2024. https://journals.uran.ua/eejet/article/view/5602.