SAFIYA YUSUF; HABIBATU AHMED; IBRAHIM HAMZA. Improving Device-to-Device Communication in Hybrid Microwave and Millimeter Wave Cellular Networks using Fractional Frequency Reuse Technique. Journal of Systematic, Evaluation and Diversity Engineering, Nigeria, v. 5, n. 5, 2024. Disponível em: https://africanscholarpub.com/ajsede/article/view/276.. Acesso em: 7 nov. 2025.