New bounds on the signed domination numbers of graphs. - S. M. Hosseini Moghaddam; Abdollah Khodkar; Babak Samadi (Australas. J Comb., 2015)

New bounds on the signed total domination number of graphs. - Seyyed Mehdi Hosseini Moghaddam; Doost Ali Mojdeh; Babak Samadi; Lutz Volkmann (Discuss. Math. Graph Theory, 2016)

Limited packing vs tuple domination in graphs. - Doost Ali Mojdeh; Babak Samadi; S. M. Hosseini Moghaddam (Ars Comb., 2017)

On the signed 2-independence number of graphs. - S. M. Hosseini Moghaddam; Doost Ali Mojdeh; Babak Samadi; Lutz Volkmann (Electron. J. Graph Theory Appl., 2017)