TY  - BOOK
AU  - Gamma Erich
AU  - Helm Richard
AU  - Johnson Ralph
TI  - Design Patterns : : Elements of Reusable Object Oriented Software
SN  - 9789332555402
U1  - 005.12 
PY  - 2016///
CY  - Noida
PB  - Pearson India Education
KW  - Creational Patterns
KW  - Structural Patterns
KW  - Behavioral Patterns
ER  -