TY JOUR TI Development of SONPO's activities in Russia: econometric modeling and areas of government regulation KW socially oriented non-profit organizations (SONPO) KW public procurement KW SONPO support measures KW tax deductions KW budget transfers KW grants KW budget security of subjects of the Russian Federation KW correlation and regression modeling KW Gretl econometric package JO Vestnik of Astrakhan State Technical University. Series: Economics AU Galiakhmetova, A.M. AU Latynina, N.A. PY 2026 IS 2026 PB Astrakhan State Technical University