Aliu, D., and M. O. Momoh. “OPTIMAL RESOURCE SCHEDULING ALGORITHM FOR OFDMA-BASED MULTICAST TRAFFIC DELIVERY OVER WIMAX NETWORKS USING PARTICLE SWARM OPTIMIZATION”. International Journal of Software Engineering and Computer Systems, vol. 7, no. 2, Oct. 2021, pp. 50-63, doi:10.15282/ijsecs.7.2.2021.6.0089.