Cancan, M., M. Hussain, and H. Ahmad. “Distance and Eccentricity Based Polynomials and Indices of M-Level Wheel Graph”. Proyecciones (Antofagasta, On Line), vol. 39, no. 4, July 2020, pp. 869-85, doi:10.22199/issn.0717-6279-2020-04-0054.