Ankur Bharali, Muran Cancan, Mohammad Reza Farahani, Mehdi Alaeiyan, Priyanka Agarwal,. “The Variance, Skewness and Limiting Behavior of the Wiener Index for Random Pentagonal Chain”. Mathematical Statistician and Engineering Applications 71, no. 3s3 (August 2, 2022): 25–37. Accessed December 1, 2022. https://www.philstat.org.ph/index.php/MSEA/article/view/345.