TY  - BOOK
AU  - Kolby, Jeff
AU  - Vaughn, Derrick
TI  - GRE math Prep Course
SN  - 9788175994560
U1  - R 510.76 K 81 g 
PY  - 2019///
CY  - New Delhi
PB  - Prakash Books
KW  - GRE math guides   Mathematics
ER  -