Information systems foundation of e-business מאת Alter, Steven

Information systems a management perspective מאת Alter, Steven

Information systems a management perspective מאת Alter, Steven

Information systems a management perspective מאת Alter, Steven

Information systems a management perspective מאת Alter, Steven

Information systems a management perspective מאת Alter, Steven L.

Decision support systems current practice and continuing challenges מאת Alter, Steven L.