Nagpal, Arvind . ALE, EDI, & IDOC technologies for SAP / by Arvind Nagpal and John Pitlak. - 2nd ed / - New Delhi : Prentice-Hall of India Pvt. Ltd. , 2001 - xxxvi, 764p ; ISBN: 978-81-203-2022-2 Subjects--Topical Terms: Business- New Technolgies Dewey Class. No.: X:74OaBV / P1