Margaryan, V., Reshetchenko , S., Vardanyan , V. and Frunzikyan, H. 2024. Trends in the 30-day minimum winter runoff of rivers flowing out of lake Sevan. Visnyk of V. N. Karazin Kharkiv National University, series "Geology. Geography. Ecology". 60 (Jun. 2024), 231-239. DOI:https://doi.org/10.26565/2410-7360-2024-60-16.