Closeness based Hierarchical Particle Swarm Optimizer with Time Varying Acceleration Coefficients. Int. J. Curr. Eng. Technol. [Internet]. 2015 Aug. 31 [cited 2026 Apr. 6];5(4):2454-8. Available from: https://ijcet.evegenis.org/index.php/ijcet/article/view/2698