For citations:
Velichko N. MODELS OF MEASURING SATISFACTION OF CUSTOMERS IN MODERN CONDITIONS. Newsletter of North-Caucasus Federal University. 2016;(5):40-45. (In Russ.)
Velichko N. MODELS OF MEASURING SATISFACTION OF CUSTOMERS IN MODERN CONDITIONS. Newsletter of North-Caucasus Federal University. 2016;(5):40-45. (In Russ.)