The hyper-Wiener index of graph operations. - M. H. Khalifeh; Hassan Yousefi-Azari; A. R. Ashrafi (Comput. Math. Appl., 2008)

Vertex and edge PI indices of Cartesian product graphs. - M. H. Khalifeh; Hassan Yousefi-Azari; A. R. Ashrafi (Discret. Appl. Math., 2008)

The first and second Zagreb indices of some graph operations. - M. H. Khalifeh; Hassan Yousefi-Azari; A. R. Ashrafi (Discret. Appl. Math., 2009)

Some new results on distance-based graph invariants. - M. H. Khalifeh; Hassan Yousefi-Azari; A. R. Ashrafi; Stephan G. Wagner (Eur. J. Comb., 2009)

Another aspect of graph invariants depending on the path metric and an application in nanoscience. - M. H. Khalifeh; Hassan Yousefi-Azari; A. R. Ashrafi (Comput. Math. Appl., 2010)

Calculation of the Wiener, Szeged, and PI indices of a certain nanostar dendrimer. - M. R. Darafsheh; M. H. Khalifeh (Ars Comb., 2011)

Calculating the edge Wiener and edge Szeged indices of graphs. - Hassan Yousefi-Azari; M. H. Khalifeh; A. R. Ashrafi (J. Comput. Appl. Math., 2011)

Distance preserving graphs and graph products. - M. H. Khalifeh; Bruce E. Sagan; Emad Zahedi (Ars Comb., 2018)

Inset Edges Effect and Average Distance of Trees. - M. H. Khalifeh; Abdol-Hossein Esfahanian (CoRR, 2020)

Some Preliminary Result About the Inset Edge and Average Distance of Trees. - M. H. Khalifeh; Abdol-Hossein Esfahanian (CoRR, 2020)

On a conjecture about the existence of isometric subgraphs. - M. H. Khalifeh; Emad Zahedi (J. Graph Theory, 2020)

Some results about the inset edge and average distance of trees. - M. H. Khalifeh; Abdol-Hossein Esfahanian (Discret. Appl. Math., 2023)