Laway, N. A. “Optimal Coordination of Directional Overcurrent Relays Using Charalambous Least <i>p</i>Th Algorithm”. Power Research - A Journal of CPRI (March 31, 2009): 67–73. Accessed May 10, 2024. https://node6473.myfcloud.com/~geosocin/CPRI/index.php/pr/article/view/963.