ECONOMICS:PRINCIPLES AND POLICY EIGHTH EDITION
WILLIAM J.BAUMOL AND ALAN S.BLINDER2000 年出版524 页ISBN:0030268478
Agricultural economics and agribusiness sixth edition
Gail L.Cramer and Glarence W.jensen1994 年出版534 页ISBN:0471595527
TIMOTHY N.TRAINOR DIANE KRASNEWICH1994 年出版750 页ISBN:0070652481
SOLUTIONS GUIDE FOR INTRODUCTORY CHEMISTRY
JAMES F.HALL1990 年出版197 页ISBN:0669144681