Efrizal, Toni. “Strategi Promosi PT. JNE Pekanbaru Dalam Mempertahankan Loyalitas Konsumen Pada Sektor Kargo: Strategi Promosi PT. JNE Pekanbaru Dalam Mempertahankan Loyalitas Konsumen Pada Sektor Kargo”. Journal of Communication Management and Organization 3, no. 1 (June 12, 2024): 45–53. Accessed October 22, 2026. https://journal.rc-communication.com/index.php/JCMO/article/view/223.