1. Sombor index of chemical graphs;R Cruz;Applied Mathematics and Computation,2021
2. Extremal values of the sombor index in unicyclic and bicyclic graphs;R Cruz;Journal of Mathematical Chemistry,2021
3. On sombor index;K C Das;Symmetry,2021
4. On sombor index of trees;K C Das;Applied Mathematics and Computation,2022
5. Some extremal graphs with respect to sombor index;K C Das;Mathematics,2021