K.Dhal, P. and Ramash Kumar, K. 2018. A Novel Hybrid Particle Swarm- Multiverse Optimization based Voltage Stability Improvement in IEEE 57 Bus System. International Journal of Engineering & Technology. 7, 2.24 (Apr. 2018), 381–386. DOI:https://doi.org/10.14419/ijet.v7i2.24.12089.