Andry, J. F., Juliawan, G., Hosea, H., & Wijaya, J. (2019). Pengukuran Kualitas Website Elevenia Menggunakann Webqual 4.0 Dan Importance Performance Annalysis. CESS (Journal of Computer Engineering, System and Science), 4(1), 33–38. https://doi.org/10.24114/cess.v4i1.11335