Economic software excel for windows [to accompany] principles of economics [by] Case/Fair / Ray D. Whitman. (2000). Upper Saddle River, NJ: Prentice-Hall, c.
Economic software excel for windows [to accompany] principles of economics [by] Case/Fair / Ray D. Whitman. 4th ed.. Upper Saddle River, NJ: Prentice-Hall, c, 2000. Buku Wajib.