TY  - BOOK
AU  - Freeman, Eric
AU  - Robson, Elisabeth 
TI  - Head first design patterns,: building extensible & maintainable object-oriented software
SN  - 9789385889752
U1  - 005.1 F8771h2 
PY  - 2023///
CY  - Mumbai
PB  - Shroff pubilshers
KW  - Computer programming
KW  - Design patterns
ER  -