Hernandez, Jose Antonio. The Sap R/3 Handbook / by Jose Antonio Hernandez. - 1st ed / - New Delhi : Tata McGraw-Hill Publishing Company Limited , 1997 - XXI,969p : ISBN: 0-07-463168-3 Subjects--Topical Terms: SAP R/3 Dewey Class. No.: Bvk / N8;1