Aayush Varshney and Kaushal Chaudhary (2018) “OVERCURRENT RELAY COORDINATION USING FIREFLY ALGORITHM IN ELECTRICAL DISTRIBUTION NETWORK”, International Journal of Advance Engineering and Research Development (IJAERD), 5(4), pp. 1396–1399. Available at: https://www.ijaerd.org/index.php/IJAERD/article/view/3231 (Accessed: 5 July 2025).