Principles of macroeconomics fifth edition
Ryan C.Amacher and holley H.ulbrich1992 年出版569 页ISBN:0538813067
APPLICATIONS OF SYSTEMS DESIGN USING R:BASE SYSTEMS V
GEORGE P.SCHELL1989 年出版240 页ISBN:0574186859
PRINCIPLES AND PROCEDURES OF STATISTICS
ROBERT G.D.STEEL AND JAMES H.TORRIE1960 年出版481 页ISBN: