LE, Kim Hung; VU, Phan Huan. Analysis and Evaluation of Line Different Protection Characteristics Employed in Numerical Relay. Old Journal, [S. l.], n. 137, p. 14–21, 2019. Disponível em: https://jst.vn/index.php/old/article/view/602. Acesso em: 2 aug. 2025.