TY  - BOOK
AU  - Kovalev, Nikolay V. 
TI  - Database management systems: : study book
SN  - 9710871633
U1  - Fil. 005.74 K849 
PY  - 2012///
CY  - Mandaluyong City
PB  - National Book Store
KW  - Database management
ER  -