Nathaniel S. Tarkaa and Cosmas I. Ani (2017) “Application of Erlang B Model for Estimation of Performance Parameters in Modern IP Network Design”, International Journal of Advance Engineering and Research Development (IJAERD), 4(8), pp. 529–539. Available at: https://www.ijaerd.org/index.php/IJAERD/article/view/3538 (Accessed: 5 July 2025).