Kurniawan, A., Pamungkas, S. P., & Sediono. (2023). Analisis Tingkat Kepuasan Customer Terhadap Layanan Staff di Store Zara Pakuwon Mall Surabaya dengan Metode Importance Performance Analysis (IPA) dan Kano. MUST: Journal of Mathematics Education, Science and Technology, 8(1), 91–106. https://doi.org/10.30651/must.v8i1.17690