Deka, Budheswar, Abhigyan Mahanta, and A. Bharali. 2019. “Some S-Degree Based Topological Indices of Silicates (SiO2) Layer”. Advances in Mathematics and Computer Science Vol. 4, November, 53-60. https://stm1.bookpi.org/index.php/amacs-v4/article/view/641.