PRATAMA SURIANTO, RANDA; LESTARI, RIRI; ASDI, YUDIANTRI. ANALISIS TINGKAT KEPUASAN PELANGGAN EMERY BARBERSHOP DENGAN MENGGUNAKAN METODE CUSTOMER SATISFACTION INDEX DAN IMPORTANCE PERFORMANCE ANALYSIS. Jurnal Matematika UNAND, [S. l.], v. 6, n. 3, p. 69–75, 2017. DOI: 10.25077/jmu.6.3.69-75.2017. Disponível em: https://jmua.fmipa.unand.ac.id/index.php/jmua/article/view/598. Acesso em: 6 nov. 2026.