ANSEN, Yopines.
 Pengaruh Kebijakan Pelayanan Pemasaran Jasa Telekomunikasi Terhadap Peningkatan Produktivitas Penjualan Pada PT Telkom Kandatel Bandung.
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ISSN 2829-4076.
Available at: &lt;<a href="https://jurnalsmart.digitechuniversity.ac.id/index.php/jurnalsmart/article/view/47" target="_new">https://jurnalsmart.digitechuniversity.ac.id/index.php/jurnalsmart/article/view/47</a>&gt;. Date accessed: 27 feb. 2026.
doi: <a href="https://doi.org/10.55916/smart.v11i1.47">https://doi.org/10.55916/smart.v11i1.47</a>.