- Wasim Sajjad, Muhammad Shoaib Sardar, Murat Cancan, Süleyman Ediz, Abdul Qudair Baig, “On modified eccentric connectivity index of nanotube”, Journal of Information and Optimization Sciences, 41, № 4, 2020,
959 
- Xing-Long Wang, Jia-Bao Liu, Maqsood Ahmad, Muhammad Kamran Siddiqui, Muhammad Hussain, Muhammad Saeed, “Molecular Properties of Symmetrical Networks Using Topological Polynomials”, Open Chemistry, 17, № 1, 2019,
849