Rais, M. et al. 2023. Optimal Power Flow For Non-Smooth Cost Function Using Particle Swarm Optimization On 150 Kv System. Protek : Jurnal Ilmiah Teknik Elektro. 10, 1 (Jan. 2023), 8–14. DOI:https://doi.org/10.33387/protk.v10i1.4709.