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Pramono, Joko Aji (2023) Customer Complaint Handling Strategy using the Theory Perspective of Griffin and Michael at PT Maluku Prima Makmur. International Journal of Innovative Science and Research Technology, 8 (6). pp. 1650-1657. ISSN 2456-2165
Pramono, Joko Aji (2022) Strategi Penanganan Keluhan Pelanggan Dengan Perspektif Teori Griffin Dan Michael Pada Pt Maluku Prima Makmur Di Ambon. Masters thesis, Universitas Muhammadiyah Gresik.