Study guide Principles of economics
David R.Hakes and robert B.harris1998 年出版648 页ISBN:0030201926
Principles of macroeconomics fifth edition
Ryan C.Amacher and holley H.ulbrich1992 年出版569 页ISBN:0538813067
Chromatographic analysis of pharmaceuticals
Adamovics;John A.1990 年出版661 页ISBN:0824779533