Kolby, Jeff.
GMAT : data sufficiency prep course (a through review) / Textual Documents Jeff Kolby,Derrick Vaughn and Kunda Vamsidhar . - West Hollywood: Nova Press, 2013. - 424p.
978-81-7234-406-1
Competative exam guide
650.076
GMAT : data sufficiency prep course (a through review) / Textual Documents Jeff Kolby,Derrick Vaughn and Kunda Vamsidhar . - West Hollywood: Nova Press, 2013. - 424p.
978-81-7234-406-1
Competative exam guide
650.076