Abdullah, M. I., L. F. Tamengkel, and O. Walangitan. “Strategi Pemasaran Produk Indihome PT. Telekomunikasi Manado”. Productivity, vol. 2, no. 1, Mar. 2021, pp. 63-68, https://ejournal.unsrat.ac.id/v3/index.php/productivity/article/view/32868.