Kaneria, V. J., R. V. Viradia, M. M. Jariya, and H. M. Makadia. “VARIOUS LABELINGS FOR THE GRAPH C(t.Pn)”. International Journal Of Mathematics And Computer Research, Vol. 2, no. 11, Nov. 2014, pp. 745-51, https://ijmcr.in/index.php/ijmcr/article/view/191.