Dr. Oladipo Adekunle, and Prof. Amina Yusuf. “Applications of Particle Swarm Optimization Algorithm to Solving the Economic Load Dispatch of Units in Power Systems With Valve-Point Effects"”. International Research Journal of Computer and Electronics Engineering, vol. 2, no. 1, Aug. 2015, pp. 29-35, https://urgcee.org/index.php/ircee/article/view/19.