TY  - BOOK
AU  - Freeman, Eric,
AU  - Robson, Elisabeth 
AU  - Sierra, Kathy
AU  - Bates, Bert
TI  - Head First design patterns
SN  - 9780596007126
U1  - 005.1 
PY  - 2004///
CY  - Sebastopol
PB  - O'reilly
KW  - Computer software--Development 	
KW  - Java (Computer program language)
UR  - https://drive.google.com/file/d/1BBiy5ikHQb-xIeXQnB9JnynOrFyjL5S5/view?usp=sharing
ER  -