00849naa#a2200205#i#4500001001500000003001700015005001700032011001400049100004100063101000800104102000700112200012200119210013700241215001000378608002700388675012700415700003200542700003000574856003900604EN\\bibl\19639/en/manage/index20240928021908.6##a2222-7962##a20171225b2017####ek#y0engy0150####ca0#aRUS##aRU1#aImprovement of the contract system in the sphere of purchase based on geological-economic monitoringeJournal article1#aVoronezhcFSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozovd2017##a9 с.##aJournal article2local##aСельское хозяйство. Лесное хозяйство. Охота. Рыбное хозяйство. 63zRUS#1aDadykingValeriy Sergeevich#1aDadykinagOlga Viktorovna4#atest.editorum.ruu/en/manage/index