Li, Y., Ren, Q., Liang, J., Yang, C. and Tong, Q. (2022) “SOMBOR INDEX OF LINE AND TOTAL GRAPHS AND PERICONDENSED BENZENOID HYDROCARBONS”, International Journal of Research -GRANTHAALAYAH, 10(8), pp. 99–111. doi: 10.29121/granthaalayah.v10.i8.2022.4730.