Graphs with Large Hop Roman Domination Number. - Elahe Shabani; Nader Jafari Rad; Abolfazl Poureidi (Comput. Sci. J. Moldova, 2019)

On the complexity of some hop domination parameters. - Nader Jafari Rad; Elahe Shabani (Electron. J. Graph Theory Appl., 2019)