https://in.ncu.edu.tw/~ncu7221/OSDS/table/113%E5%AD%B8%E5%B9%B4%E5%A4%A7%E5%AD%B8%E9%83%A8%E5%AE%BF%E8%88%8D%E6%8A%BD%E7%B1%A4%E7%B3%BB%E7%B5%B1%E6%93%8D%E4%BD%9C%E6%89%8B%E5%86%8A.pdf