Shabbirali Champa and Dr. Sanjay R. Vyas (2017) “CO-ORDINATION OF OVER CURRENT RELAYS IN RADIAL SYSTEM USING ETAP SOFTWARE”, International Journal of Advance Research in Engineering, Science & Technology, 4(3), pp. 86–94. Available at: https://ijarest.org/index.php/ijarest/article/view/834 (Accessed: 5 September 2025).