Shevchuk L. EOCHEMICAL ENVIRONMENT AND CHANGES IN GROUNDWATER CHEMISTRY (A CASE STUDY OF GROUNDWATER INTAKE IN LUHANSKA OBLAST). Вісник: Геологія [Internet]. 2025 Jan. 16 [cited 2026 Oct. 11];4(67):82-6. Available from: https://geology.bulletin.knu.ua/en/article/view/1733