AHMED N. B. ALSAMMAK, M. Bifurcation and Voltage C ollapse in the Electrical Power Systems. Al-Rafidain Engineering Journal (AREJ), [S. l.], v. 13, n. 1, p. 25–41, 2005. DOI: 10.33899/rengj.2005.45565. Disponível em: https://jamh.uomosul.edu.iq/index.php/arej/article/view/31355. Acesso em: 7 sep. 2025.