C. R. Reddy and K. Harinadha Reddy, “NDZ Analysis of Various Passive Islanding Detection Methods for Integrated DG System over Balanced Islanding”, ijie, vol. 11, no. 8, pp. 206–220, Dec. 2019, Accessed: Jul. 18, 2024. [Online]. Available: https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/3357