A note on signed and minus domination in graphs. - Hailong Liu 005; Liang Sun (Australas. J Comb., 2002)

The bondage and connectivity of a graph. - Hailong Liu 005; Liang Sun (Discret. Math., 2003)

Lower bounds on the signed k-subdomination number of graphs. - Hailong Liu 005; Liang Sun (Ars Comb., 2004)

A note on the difference between the upper irredundance and independent numbers of a graph. - Hailong Liu 005; Liang Sun (Ars Comb., 2004)