T.Y. Kramarova, V.N. Yakunin, N.D. Alexeyeva and V.P. Ovsyannikov
International Business Management 9 ( 6 ): 1097 - 1101 , 2015
T.Y. Kramarova, V.N. Yakunin and N.D. Alexeyeva
International Business Management 9 ( 6 ): 1147 - 1151 , 2015