Iqbal, Hifza, Ahmad, Muhammad Ozair, Ali, Kashif, and Rizvi, Syed Tahir Raza. 2020. “Eccentricity Based Topological Indices of Some Benzenoid Structures”. Utilitas Mathematica 116 (September). https://utilitasmathematica.com/index.php/Index/article/view/1480.