求购课本一本。 5 X, m) u( }" ~: p' p+ t% s作者:Niall M. Fraser, Elizabeth M. Jewkes, Irwin Bernhardt and May Tajima. : ]5 y* q0 t1 D3 A4 P# ^书名:Engineering Economics in Canada, Third Edition, 1 a, s- r: b. I8 R- d) }出版: Toronto, ON: Pearson Prentice Hall, 2006