Obi, Elvis, Aliyu Danjuma Usman, Suleiman Muhammad Sani, and Abdoulie Momodou Sunkary Tekanyi. 2020. “Development of a Hybrid Algorithm for User Association and Resource Allocation to Improve Load Balancing and Energy Efficiency in 5G HetNet”. ELEKTRIKA- Journal of Electrical Engineering 19 (1):17-25. https://doi.org/10.11113/elektrika.v19n1.156.