THE TRAVEL INDUSTRY THIRD EDITION
CHUCK Y.GEE JAMES C.MAKENS DEXTER J.L.CHOY1997 年出版494 页ISBN:0471287741
ESSENTIALS OF UNDERSTANDING PSYCHOLOGY FIFTH EDITION
2003 年出版468 页ISBN:0072494263
PURCHASING PRINCIPLES AND MANAGEMENT FOURTH EDITION
1982 年出版337 页ISBN:0273017195
Medical biostatistics and epidemiology first edition
1995 年出版359 页ISBN:0838562191