ELMASRI,Ramez, 2011. Database systems, MODELS, LANGUAGES, DESIGN AND APPLCATION PROGRAMMING NAVATHE, B. Shamkant - sixth Edition - Columbia, Pearson, 2011 - xxv,1155 ill. 24cm. include index ISBN: 9780132144988 LC Class. No.: QA 76.9 / D3 El 6.2011