Sherman, Jackie. Practical exercises for ECDL / Jackie Sherman. - New York : Prentice Hall, 2003. - xi, 251 p. 24cm. ISBN: 013147958X (alk. paper) LCCN: 2004053487 Subjects--Topical Terms: Electronic data processing personnel--Certification--Europe.Microcomputers. LC Class. No.: QA76.3 / .S4644 2003