1.
Sap R/3 System An Introduction to Erp and Business Software Technology
by Buck-Emden, Rudiger
ISBN: 9780201596175
List Price: $46.99
2.
Sap R/3 System:client/server Technology
by Buck-Emden, Rudiger, Galimo...
ISBN: 9780201403503
List Price: $29.95