Koshliakov O, Dyniak O, Koshliakova I. PROBLEMS OF DETERMINATION OF GROUNDWATER BODY AT CROSS-BORDER REGIONS OF UKRAINE ACCORDING TO EU WATER LEGISLATION. Вісник: Геологія [Internet]. 2025 Jan. 16 [cited 2026 Feb. 15];4(79):67-70. Available from: https://geology.bulletin.knu.ua/article/view/1421