Bounds and Computation of Irregularity of a Graph - Hosam Abdo; Nathann Cohen; Darko Dimitrov (CoRR, 2012)

The total irregularity of a graph - Hosam Abdo; Darko Dimitrov (CoRR, 2012)

On the Zagreb indices equality. - Hosam Abdo; Darko Dimitrov; Ivan Gutman (Discret. Appl. Math., 2012)

The Total Irregularity of Graphs under Graph Operations - Hosam Abdo; Darko Dimitrov (CoRR, 2013)

Non-regular graphs with minimal total irregularity. - Hosam Abdo; Darko Dimitrov (CoRR, 2014)

The irregularity of graphs under graph operations. - Hosam Abdo; Darko Dimitrov (Discuss. Math. Graph Theory, 2014)

The Total Irregularity of a Graph. - Hosam Abdo; Stephan Brandt; Darko Dimitrov (Discret. Math. Theor. Comput. Sci., 2014)

On extremal trees with respect to the $F$-index. - Hosam Abdo; Darko Dimitrov; Ivan Gutman (CoRR, 2015)

On the Irregularity of Some Molecular Structures. - Hosam Abdo; Darko Dimitrov; Wei Gao (CoRR, 2016)

Graphs with maximal σ irregularity. - Hosam Abdo; Darko Dimitrov; Ivan Gutman (Discret. Appl. Math., 2018)

Graph irregularity and its measures. - Hosam Abdo; Darko Dimitrov; Ivan Gutman (Appl. Math. Comput., 2019)