TY  - BOOK
AU  - Gamma, Erich
AU  - Helm, Richard
AU  - Johnson, Ralph
AU  - Vlissides, John
TI  - Design patterns : elements of reusable object-oriented software
SN  - 9789332555402
U1  - 005.12 
PY  - 2016///
CY  - Chennai
PB  - Pearson Education
KW  - Object oriented software design
KW  - Computer software - design patterns
KW  - Object oriented programming
ER  -