00501naa#a2200193#i#450# EN\\bibl\101940 20251030052938.4 2588-0209 20211225b2021####ek#y0engy0150####ca RU EFFICIENCY OF REGIONAL LAND USE (ON THE EXAMPLE OF SVERDLOVSK AND TYUMEN REGION) Journal article Moscow Electronic science 2021 0 с. Journal article local mshj.ru