Оstroukh O. SCIENTIFIC-METHODOLOGICAL APPROACH FOR PROCESSING HYDROGEOLOGICAL INFORMATION USING GIS TECHNOLOGY (EXAMPLE CHEMICAL COMPOSITION OF GROUNDWATER SOUTHWESTERN PART OF ZAKARPATTIA REGION). Вісник: Геологія. 2025;1(60):75-79. Accessed February 15, 2026. https://geology.bulletin.knu.ua/article/view/1854