Bounds on several versions of restrained domination number. - Babak Samadi; Hamidreza Golmohammadi; Abdollah Khodkar (Contributions Discret. Math., 2017)

Connected coalitions in graphs. - Saeid Alikhani; Davood Bakhshesh; Hamidreza Golmohammadi; Elena V. Konstantinova (Discuss. Math. Graph Theory, 2024)

On independent coalition in graphs and independent coalition graphs. - Saeid Alikhani; Davood Bakhshesh; Hamidreza Golmohammadi; Sandi Klavzar (Discuss. Math. Graph Theory, 2025)

Total restrained coalitions in graphs. - Mustapha Chellali; Hamidreza Golmohammadi; Nikolai A. Matrokhin; Ivan I. Takhonov; Juan Carlos Valenzuela-Tripodoro (Comput. Appl. Math., 2026)