Permana, Rezi Muhamad Taufik, and Roro Arinda Reswanti Julian Pratama. “Making Effectiveness Customer Complaint Handling”. Almana : Jurnal Manajemen dan Bisnis 4, no. 2 (August 10, 2020): 237–243. Accessed December 3, 2025. https://journalfeb.unla.ac.id/index.php/almana/article/view/1398.