Pratiwi, Hening, Wulan Yuliyana, Yunika Komalasari, and Feti Fatimah Maulyan. “PENGARUH SALES PROMOTION DAN PERSONAL SELLING TERHADAP CUSTOMER RETENTION PENGGUNA INDIHOME DI PT TELKOM KANTOR CABANG UJUNG BERUNG BANDUNG”. Jurnal Sains Manajemen 4, no. 2 (August 30, 2022): 94-99. Accessed April 25, 2024. https://ejurnal.ars.ac.id/index.php/jsm/article/view/686.