Hikmaturokhman, A., A. Isnawati, and F. Setyadillah. “Optimalisasi Kapasitas Trafik Dengan Transceiver Group Synchronization Di PT Xl Axiata Tbk Purwokerto”. JURNAL INFOTEL, Vol. 3, no. 1, May 2011, pp. 20-31, doi:10.20895/infotel.v3i1.85.