Slamet, M., and W. Sulistiyowati. “Customer Satisfaction Analysis By Integrating Service Quality (Servqual) Methods And Importance Performance Analysis: Analisis Kepuasan Pelanggan Dengan Mengintegrasikan Metode Kualitas Layanan (Servqual) Dan Analisis Kinerja Penting”. Indonesian Journal of Law and Economics Review, vol. 16, Aug. 2022, p. 10.21070/ijler.v15i0.763, doi:10.21070/ijler.v15i0.763.