TY  - BOOK
AU  -  Eric Freeman, Elisabeth Robson, Kathy Sierra 
TI  - Head First Design Patterns: : Building Extensible And Maintainable Object-Oriented Software
SN  - 9789385889752
U1  - 005.72 
PY  - 2024///
CY  - Newdelhi
PB  - Shroff Publishers & Distributors 
KW  - COMPUTER
ER  -