00715naa#a2200205#i#450# EN\\bibl\110624 20260118200903.7 2311-1402 20251225b2025####ek#y0engy0150####ca RU CORRELATION ANALYSIS AND HYDROCHEMICAL FACIES OF CONTAMINANT IONS IN OILFIELD PRODUCED WATER OF THE UPPER ASSAM BASIN Journal article Nizhnevartovsk Nizhnevartovsk State University 2025 21 с. Journal article local Аналитическая химия. 543 Tapan Dzhioti Gogoi Gogoi Subrata Borgohayn Storchak Tat'yana Viktorovna Konvar Debasish vestnik.nvsu.ru