TY  - BOOK
AU  - Gamma,Erich
AU  - Helm,Richard
AU  - Johnson,Ralph
AU  - Vlissides,John
TI  - Design patterns: elements of reusable object-oriented software 
T2  - Addision-Wesley professional computing series
SN  - 8178081350
AV  - QA76.64 .D47 1995
U1  - 005.12 
PY  - 1995///
CY  - New Delhi, Reading, Mass.
PB  - Addison-Wesley, Pearson Education
KW  - Object-oriented programming (Computer science)
KW  - Computer software
KW  - Reusability
KW  - Software patterns
N1  - Includes bibliographical references and index; Computer Science & Engineering
UR  - https://opac.northsouth.edu/cgi-bin/koha/opac-retrieve-file.pl?id=b57222c57ef37ea3229b5dbe47f75768
ER  -