Schmuller, Joseph. Sams teach yourself uml in 24 hours / By Schmuller, Joseph. - 1st ed. - New Delhi : Techmedia ; 1999. - xvi,422p. ; PB 23 cm. ISBN: 8176353140 Subjects--Topical Terms: Understanding object orientationWorking with collaboration diagrams Dewey Class. No.: 005.136 / SCHJ