TY JOUR TI Methodological approaches to assessing socio-economic efficiency of entrepreneurship development institution in northern raw materials regions KW institutions of entrepreneur development KW small business KW efficiency criteria KW methodological approach KW raw materials region JO Vestnik of Astrakhan State Technical University. Series: Economics AU Bessonova, T.. AU Romenskaya, E.. PY 2020 IS PB Astrakhan State Technical University