Risakotta, Marthen, and A. L. Kakerissa. “Analisa Communication Gap Antara Harapan Dan Layanan Aktual Dalam Layanan Telkom Speedy Di Kota Ambon”. ARIKA 9, no. 2 (September 7, 2015): 71-82. Accessed November 22, 2024. https://ojs3.unpatti.ac.id/index.php/arika/article/view/416.