MOHAMAD NOR, A. F.; SULAIMAN, M.; ABDUL KADIR, A. F.; OMAR, R. Determining Voltage Stability Margin Values by Measuring the Hypotenuse Under PV and QV Curves. International Journal of Electrical Engineering and Applied Sciences (IJEEAS), [S. l.], v. 1, n. 1, p. 25–30, 2018. Disponível em: https://ijeeas.utem.edu.my/ijeeas/article/view/3901. Acesso em: 4 jul. 2022.