Introduction to E-commercede Qin ZhengMateriasTechnologyComputer scienceManagement information systemsElectronic commerceEdiciones (1)Introduction to E-commerce (2009)Springer-Verlag Berlin Heidelberg · inglés · ISBN 9783540496441Más obras de Qin ZhengQing dai fa lü zhi du yan jiu2000QQing dai si fa shen pan zhi du yan jiuQing dai si fa shen pan zhi du yan jiu1988Jian cha zhi du shi lue