00795naa#a2200193#i#4500001001500000005001700015011001400032100004100046101000800087102000700095200012200102210013700224215001000361608002700371675012700398700003200525700003000557856001400587EN\\bibl\1963920241125062928.1##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#azh-szf.ru