Raut, N. “Schultz, Modified Schultz and Hosoya Polynomials and Their Indices in 2, 3- Dimethyl Hexane an Isomer of Octane”. International Journal Of Mathematics And Computer Research, Vol. 2, no. 08, Aug. 2014, pp. 587-92, http://ijmcr.in/index.php/ijmcr/article/view/164.