On Topological Indices of OT [m, n] Octagonal Tillings and TiO2 Nanotubes
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Some well defined connectivity topological indices are Randic index, atom-bond connectivity index, geometric-arithmetic index and Shigehalli & Kanabur indices, brought into light by M. Randic, Estrada et al, Vukicevic et al and V. S. Shigehalli, in their respe... ...