TY  - GEN
AU  - Tanwar, Divya
TI  - Introdution to data base management system
SN  - 97893050533987
U1  - 005.74 
PY  - 2015///
CY  - New Delhi
PB  - Cyber Tech Publications
KW  - Introdution to database system
KW  - Data models
KW  - entity relationship model
KW  - MS access
ER  -