Global Defensive Alliances in the Join, Corona and Composition of Graphs. - Rolito G. Eballe; Rodelito Aldema; Esamel M. Paluga; Ricky F. Rulete; Ferdinand P. Jamil (Ars Comb., 2012)

Harmonic Centrality of Some Graph Families. - Jose Mari E. Ortega; Rolito G. Eballe (CoRR, 2021)

Harmonic Centralization of Some Graph Families. - Jose Mari E. Ortega; Rolito G. Eballe (CoRR, 2022)

Harmonic Centrality and Centralization of Some Graph Products. - Jose Mari E. Ortega; Rolito G. Eballe (CoRR, 2022)