Singh, N. R., & Dutta, S. (2021). A Note on the Double Total Graph \(T_u(\Gamma(R))\) and \(T_u(\Gamma(\mathbb{Z}_n \times \mathbb{Z}_m))\). Communications in Mathematics and Applications, 12(1), 203–211. https://doi.org/10.26713/cma.v12i1.1466