Umar, Bobby. Barron's GMAT / Bobby Umar, Carl S. Pyrdum. - New York : Barron's Educational Series, Inc, 2014 - vi, 757 p. : ill. 27.5 cm. Includes index. ISBN: 9781438002316;9781438073347 Subjects--Topical Terms: GMAT National Library of Medicine Call No.: HF 1118 / .U43 2014