Mahmudah, H., O. Puspitorini, A. Wijayanti, N. A. Siswandari, and Y. D. Kusumaningrum. “Analysis of Energy Consumption Using Sequential to Better Signal (SBS) Scheme for Green Celluler Network”. EMITTER International Journal of Engineering Technology, Vol. 8, no. 1, June 2020, pp. 221-39, doi:10.24003/emitter.v8i1.481.