00722naa#a2200217#i#450# EN\\bibl\98222 20250610045017.2 2413-046X 20250430b2025####ek#y0engy0150####ca RU ANALYSIS OF UNUSED AGRICULTURAL LANDS IN THE ULYANOVSK REGION Journal article Moscow Electronic science 2025 8 с. Journal article local Земля с экономической точки зрения. 332.2 Provalova Elena Viktorovna Erofeev Sergey Evgenievich Khvostov Nikolay Viktorovich Ermoshkin Yuri Vladimirovich Mudarisov Fail' Adel'shevich qje.su