Kurniawan, Krisna, and Zulaikha. “Loyalitas Konsumen JNE Surabaya: Korelasi Antara Marketing Public Relations Dan Kualitas Pelayanan”. Jurnal Komunikasi Profesional 2, no. 1 (June 1, 2017). Accessed April 19, 2024. https://ejournal.unitomo.ac.id/index.php/jkp/article/view/911.