想要买价格适中的旧书\ copy版的书:
1、ECON 4001: Futher Mathematics for Economic Analysis, Prentice hall 2005, Knut Sydsaeter, Peter Hammond, Atle Seierstad
2、ECON 4200: Microeconomic Analysis, Hal R Varian, 1992 3rd, New York·Norton
3、ECON 4706: Basic Econometrics, Gujarati D.N. 2003, 4th rd, New York, NY...