TY  - BOOK
AU  - Elmasn, Ramez
TI  - Database Systems: : Models, languages, deisgn and application programming 
SN  - 13:978-981-06-9559-0
AV  - 005.74 E16l 
PY  - 2011///
CY  - Singapore
PB  - Pearson Education South Asia Pte. Ltd.
ER  -