Widyasmoro, W., Chamim, A. N. N., Wiyagi, R. O., Izmi, R. M., & Jusman, Y. (2019). Analysis and Optimization of 4G LTE Network in Jombang City East Java. Journal of Electrical Technology UMY, 3(1), 8–13. https://doi.org/10.18196/jet.3148