Alekseyenko, T.T.AlekseyenkoSerdyuk, O. V.O. V.SerdyukPoperechna, N. V.N. V.Poperechna2013-06-162013-06-162013-06-16http://ir.nmu.org.ua/handle/123456789/2482enBLACK MARKETBLACK MARKET: WHAT IS IT?Article