Derrick Vaughn: 1 book
by Derrick Vaughn
Language: English
Release Date: September 12, 2014
Language: English
Release Date: September 12, 2014
Comprehensive Prep for GMAT Data Sufficiency.
Every year, students pay $1,000 and more to test prep companies to prepare for the math section of the GMAT. Now you can get the same preparation in a book.
Although data sufficiency problems are difficult,...
