Word Operation Closure and Primitivity of Languages. - H. K. Hsiao; C. C. Huang; S. S. Yu (J. Univers. Comput. Sci., 2002)

Word-paired catenations of regular languages. - H. K. Hsiao; S. S. Yu; Yu-Kuang Zhao (Discret. Math., 2004)

A note of ins-primitive words. - H. K. Hsiao; Y. T. Yeh; S. S. Yu (Int. J. Comput. Math., 2004)

Word-paired insertions of languages. - H. K. Hsiao; S. S. Yu; Yu-Kuang Zhao (Int. J. Comput. Math., 2004)

Languages and P0L schemes. - H. K. Hsiao; Y. T. Yeh; S. S. Yu (Int. J. Comput. Math., 2005)

Dependences related to strict binary relations. - H. K. Hsiao; Y. T. Yeh; S. S. Yu (Theor. Comput. Sci., 2005)

The decodability and correctability of codes. - H. K. Hsiao; Hsiu-Hsia Lin; S. S. Yu (Int. J. Comput. Math., 2010)