On [k]-Roman domination subdivision number of graphs. - Kazhal Haghparast; Jafar Amjadi; Mustapha Chellali; Seyed Mahmoud Sheikholeslami (AKCE Int. J. Graphs Comb., 2022)

Restrained {2}-domination in graphs. - Kazhal Haghparast; Jafar Amjadi; Mustapha Chellali; Seyed Mahmoud Sheikholeslami (RAIRO Oper. Res., 2023)