Aldhaibani, J. A., A. Yahya, and R. B. Ahmad. “Optimizing Power and Mitigating Interference in LTE-A Cellular Networks through Optimum Relay Location”. Elektronika Ir Elektrotechnika, vol. 20, no. 7, Aug. 2014, pp. 73-79, doi:10.5755/j01.eee.20.7.3379.