並前往https://shopee.tw/%E6%8A%BD%E8%B1%A1%E4%BB%A3%E6%95%B8A-First-Course-in-Abstract-Algebra-7-e-(%E5%8F%B0%E5%8C%97%E5%8F%AF%E9%9D%A2%E4%BA%A4)-i.254721217.6932227118