TY  - BOOK
AU  - Kolby, Jeff.
AU  - Vaughn, Derrick.
AU  - Vamsidhar, Kunda.
TI  - GMAT : : data sufficiency prep course (a through review) / 
SN  - 978-81-7234-406-1
U1  - 650.076 
PY  - 2013///
CY  - West Hollywood
PB  - Nova Press
KW  - Competative exam guide
ER  -