Jose Mari E. Ortega and Rolito G. Eballe. A Mathematical Approach on Harmonic Centrality and Centralization of Some Graph Products. RATMCS-V1 [Internet]. 2023 May 27 [cited 2026 Jul. 2];:164-79. Available from: https://stm.bookpi.org/RATMCS-V1/article/view/10719