BEYOND SADDLE-NODE BIFURCATION POINT OF ILL-CONDITIONED POWER SYSTEMS: A CASE STUDY OF NIGERIAN NATIONAL GRID. NIJOTECH [Internet]. 2025 Apr. 14 [cited 2026 Apr. 16];44(1):87-92. Available from: https://www.nijotech.com/index.php/nijotech/article/view/3829