BACH, Quoc Khanh. Central Improvement of Voltage Sags in the IEEE 33-Bus Distribution System by a Number of D-STATCOMS. Old Journal, [S. l.], n. 139C, p. 12–17, 2019. Disponível em: https://jst.vn/index.php/old/article/view/576. Acesso em: 2 aug. 2025.