1. 1
    Han zi ru men = Keys to Chinese character writing /
    汉字入门 = Keys to Chinese character writing /
    by Ma, Jing-heng Sheng
    Published 2006
    Book
  2. 2
    Zi li : Han zi bu jian tong jie /
    字理 : 汉字部件通解 /
    by Ye, Changyuan
    Published 2008
    Book