Halawa LW, Gea JB, Harefa I, Waruwu MH. PENGARUH STANDAR OPERASIONAL PROSEDUR RETURN BARANG TERHADAP LOYALITAS PELANGGAN DI JNE CABANG GUNUNGSITOLI. JMBI UNSRAT [Internet]. 2024 Apr. 30 [cited 2026 Mar. 22];11(1):1061-77. Available from: https://ejournal.unsrat.ac.id/v3/index.php/jmbi/article/view/56048