Aijaz, M., K. Rani, and S. Pirzada. “On Compressed Zero Divisor Graphs Associated to the Ring of Integers Modulo $n$”. Carpathian Mathematical Publications 15, no. 2 (December 26, 2023): 552–558. Accessed November 21, 2024. https://vps.pnu.edu.ua/index.php/cmp/article/view/6246.