Ahya, R., Suprapto Suprapto, & Jhodi Pratama. (2023). Analisis Kualitas Pelayanan Dengan Metode Importance Performance Analysis (IPA) Dan Costumer Satisfaction Index (CSI) Terhadap Kepuasan Konsumen : Studi Kasus Something Barbershop Sragen. Journal Of Business, Finance, and Economics (JBFE), 4(2), 72–89. https://doi.org/10.32585/jbfe.v4i2.4655