51. Economics
by McConnell, Campbell; Brue, Stanley; Flynn, Sean 
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52. Economics
by McConnell, Campbell; Brue, Stanley; Flynn, Sean 
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Description: McGraw-Hill Education 13 Jan 2011 19th ed. Hardcover Very good 

53. Economics
by McConnell, Campbell; Brue, Stanley; Flynn, Sean 
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Description: ISBN10: 0073511447, ISBN13: 9780073511443, [publisher: McGraw-Hill Education] Hardcover [Lexington, KY, U.S.A.] [Publication Year: 2011]  

54. Economics
by McConnell 
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Description: Irwin/McGraw-Hill 2011 19th ed. Hard cover Very Good Text--Contents same as STUDENT EDITION with PUBLISHER MARKINGS ON THE OUTSIDE COVER.