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Information × Registration Number 0115U001668, ( 0221U105035  ) R & D request Title Geographical, hydrological and geoecological analysis of the rivers of Sumy region and their optimization. Head Danilchenko Olena S., Кандидат географічних наук Registration Date 22-06-2015 Organization Sumy State Pedagogical University named after A. S. Makarenko popup.description1 popup.nrat_date 2024-12-10 Close