On endomorphism-regularity of zero-divisor graphs. - Dancheng Lu; Tongsuo Wu (Discret. Math., 2008)

Sub-semigroups determined by the zero-divisor graph. - Tongsuo Wu; Dancheng Lu (Discret. Math., 2008)

On bipartite zero-divisor graphs. - Dancheng Lu; Tongsuo Wu (Discret. Math., 2009)

The Zero-divisor Graphs of Posets and an Application to Semigroups. - Dancheng Lu; Tongsuo Wu (Graphs Comb., 2010)

Endomorphism monoids of generalized split graphs. - Dancheng Lu; Tongsuo Wu (Ars Comb., 2013)