00487naa#a2200169#i#450# EN\\bibl\102414 20250905141539.5 2588-0209 20230625b2023####ek#y0engy0150####ca RU EFFICIENCY OF WATER SUPPLY TO RURAL SETTLEMENTS OF THE LEFT-BANK ZONE OF THE SARATOV REGION Journal article Moscow Electronic science 2023 0 с. Journal article local stolypinvestnik.ru