VALACICH, JOSEPH S. ESSENTIALS OF SYSTEMS ANALYSIS AND DESIGN - 4TH ED. - Estados Unidos PEARSON EDUCATION 2009 UPPER SADDLE RIVER - 432 ISBN: 9780136084969 LCCN: 76602 Subjects--Topical Terms: SISTEMAS-ANALISISSISTEMAS-DISEŅO Dewey Class. No.: 003