TY JOUR TI PROBLEMS OF DEVELOPMENT OF SOCIALLY SIGNIFICANT SERVICE SECTOR KW service sector KW service economy KW services KW after-sale service KW social entrepreneurship KW socially significant services KW socially-oriented enterprise KW consumer services of social importance KW social enterprise JO Vestnik of Astrakhan State Technical University. Series: Economics AU Mirzabalaeva, F.. AU Efendieva, D.. PY 2014 IS 2014 PB Astrakhan State Technical University