Model Peningkatan Kepuasan Pelanggan Berbasis Nilai Khidmah dan Amanah di Toserba Sunan Drajat Petiyin. JOURNAL OF SHARIA ECONOMICS, [S. l.], v. 8, n. 1, 2026. DOI: 10.35896/z7bf0z72. Disponível em: https://journal.uaindonesia.ac.id/index.php/JSE/article/view/1401. Acesso em: 17 jun. 2026.