00394pam a2200145 a 4500 005.1 ALP Alpert, Sherman R . Design Patterns Smalltalk Companion / NULL. Textual Documents New Delhi : Addison Wesley Longman, Inc. , 1998. 290 ; 24*18. Software Engineering 1852 121354 121354 0 0 0 0 Reference Copy IMP IMP 2003-12-11 Goel Computer Hut 1917.00 0 005.1 ALP IMP-M-2366 2023-03-01 00:00:00 1 2023-03-01 BK