GMAT Data Sufficiency Prep Course by Derrick Vaughn

Book Title: GMAT Data Sufficiency Prep Course

Publisher: Nova Press

ISBN: 1889057541

Author: Derrick Vaughn

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Derrick Vaughn with GMAT Data Sufficiency Prep Course

  • GMAT Advanced Quant: 250+ Practice Problems & Bonus Online Resources (Manhattan Prep GMAT Strategy Guides)