Rajesh Bera, Durbadal Mandal, Sakti Prasad Ghoshal, Rajib Kar. Optimal design of concentric hexagonal array antenna using Improved Particle Swarm Optimization technique. JNIC [Internet]. 2015 Jan. 1 [cited 2025 Feb. 19];3:10. Available from: https://cspub-jnic.org/index.php/jnic/article/view/62