Ободовський, О.Г., Лук’янець, О.І., Москаленко, С.О. and Корнієнко, В.О. 2020. Generalization of the average annual water runoff of the rivers according to the hydrographic zoning of Ukraine. Visnyk of V. N. Karazin Kharkiv National University, series "Geology. Geography. Ecology". 51 (Jan. 2020), 158-170. DOI:https://doi.org/10.26565/2410-7360-2019-51-11.