TY  - BOOK
AU  - Yadav P K
AU  - Goyal A K
TI  - Concepts of Database System
SN  - 9789350142950
U1  - 681.142 YAD 
PY  - 2015///
CY  - New Delhi
PB  - S K Kataria And Sons
KW  - Data Base Systems
ER  -