Characterizations of Clifford semigroup digraphs. - Sayan Panma; N. Na Chiangmai; Ulrich Knauer; Sr. Arworn (Discret. Math., 2006)

Locally strong endomorphisms of paths. - Srichan Arworn; Ulrich Knauer; Sorasak Leeratanavalee (Discret. Math., 2008)

An algorithm for the numbers of endomorphisms on paths (DM13208). - Sr. Arworn (Discret. Math., 2009)

An algorithm for the number of path homomorphisms. - Srichan Arworn; Piotr Wojtylak (Discret. Math., 2009)

On transitive Cayley graphs of strong semilattices of right (left) groups. - Sayan Panma; Ulrich Knauer; Sr. Arworn (Discret. Math., 2009)

Naturally ordered strong endomorphisms on graphs. - Nirutt Pipattanajinda; Yangkok Kim; Srichan Arworn (Graphs Comb., 2019)