Some Topological and Polynomial Indices (Hosoya and Schultz) for the Intersection Graph of the Subgroup of〖 Z〗_(r^n ). IHJPAS [Internet]. 2021 Oct. 20 [cited 2024 May 4];34(4):68-77. Available from: https://jih.uobaghdad.edu.iq/index.php/j/article/view/2704