00589naa#a2200181#i#4500001001500000005001700015011001400032100004100046102000700087200007600094210005400170215001000224608002700234675008800261700001800349700001900367856002100386EN\\bibl\1886820240507123321.2##a1999-8775##a20171003b2017####ek#y0engy0150####ca##aRU1#aMETHODOLOGICAL APPROACH TO SOCIAL SYSTEM INVESTIGATIONeJournal article1#aBryanskcBryansk State Technical Universityd2017##a2 с.##aJournal article2local##aИнженерное дело. Техника в целом. Транспорт. 62#1aUgTszyayuy #1aShengYuykhun 4#abstu.editorum.ru