Onorboev Shavkat Shamsiddinovich, Abdullaev Bahromjon Dadajonovich, Abdullaev Botirjon Dadajonovich, Kholmurzaev Mamurjon Januzakovich. SPATIAL VARIATION PATTERNS OF GROUNDWATER CHEMICAL COMPOSITION IN THE UPPER HYDRODYNAMIC ZONE OF THE FERGANA REGION. jasass [Internet]. 2026 Feb. 14 [cited 2026 Feb. 15];16(02):624-8. Available from: https://www.internationaljournal.co.in/index.php/jasass/article/view/3293