00598naa#a2200181#i#450# EN\\bibl\16343 20241129225541.5 1999-8775 20161230b2016####ek#y0engy0150####ca RUS RU ISSUES OF INNOVATIVE ACTIVITY INVESTMENT AT THE ENTERPRISES OF HOUSING AND COMMUNAL SERVICES Journal article Bryansk Bryansk State Technical University 2016 5 с. Journal article local Экономика. Экономические науки. 33 RUS Erokhin Dmitriy naukaru.ru