並前往http://eportfolio.lib.ksu.edu.tw/user/T/0/T093000099/repository/%E8%A8%88%E7%AE%97%E6%A9%9F%E7%A8%8B%E5%BC%8F%E8%A8%AD%E8%A8%884%E6%A9%9F1C/Ch%2004%E5%9B%9B%E6%A9%9F%E4%B8%80C.pdf
