Syahidi, Aulia Akhrian, Arifin Noor Asyikin, and Subandi Subandi. “Measuring User Assessments and Expectations: The Use of WebQual 4.0 Method and Importance-Performance Analysis (IPA) to Evaluate the Quality of School Websites”. Journal of Information Technology and Computer Science 4, no. 1 (June 27, 2019): 76–89. Accessed August 20, 2022. https://jitecs.ub.ac.id/index.php/jitecs/article/view/98.