ทรัพย์สิงห์ ว. . Tansmision line impedance and Phase estimation in SMIB power systemusing Feed forward Observer. Journal of Engineering, RMUTT, [S. l.], v. 9, p. 7–11, 2007. Disponível em: https://ph01.tci-thaijo.org/index.php/jermutt/article/view/242240. Acesso em: 17 may. 2024.