TY - CPAPER AU - Peter Kuzmisin TI - S.P.S.I. CONCEPT AND ITS USE IN ORDER TO INCREASE THE QUALITY OF THE ECONOMIC-MANAGEMENT EDUCATION T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2012 12th International Multidisciplinary Scientific GeoConference PY - 2012 DO - 10.5593/sgem2012/s23.v3018 PB - Stef92 Technology ER -