TY  - BOOK
AU  - Singh Yogesh
AU  -  Malhotra Ruchika
TI  - Object-oriented software engineering
U1  - D6,8(B),2, (Q2) (Q2.1) 
PY  - 2012///
CY  - New Delhi
PB  - PHI Learning Private Limited   
KW  - I I C
ER  -