V S, R., R. Roselin Suhi and Devendra Jangiti 2023. Connected Vertex-Edge Dominating Sets and Connected Vertex-Edge Domination Polynomials of Friendship F_n. Journal of Advanced Zoology. 44, 3 (Nov. 2023), 1286–1295. DOI:https://doi.org/10.17762/jaz.v44i3.1677.