K.Dhal P, Ramash Kumar K. A Novel Hybrid Particle Swarm- Multiverse Optimization based Voltage Stability Improvement in IEEE 57 Bus System. IJET [Internet]. 2018 Apr. 25 [cited 2024 May 2];7(2.24):381-6. Available from: https://www.sciencepubco.com/index.php/ijet/article/view/12089