TY  - BOOK
AU  - GAMMA,ERICH;HELM,RICHARD(ET-AL)
TI  - Design Patterns:Elements of Reusable Object-Oriented Software
SN  - 9789332555402
U1  - 005.1 
PB  - India:Pearson India Education
KW  - OBJECT ORIENTED PROGRAMMING: DESIGN PATTERNS
ER  -