Yanti RN, Indriyanti AD. USABILITY EVALUATION OF COMPUTER-BASED TEST (CBT) SYSTEMS USING SERVQUAL METHODS, GAP ANALYSIS, AND IPA MODELS (Case Study: Dr. Soetomo High School Surabaya): EVALUASI USABILITY SISTEM COMPUTER-BASED TEST (CBT) MENGGUNAKAN METODE SERVQUAL, GAP ANALYSIS, DAN IPA MODEL (Studi Kasus: SMA Dr. Soetomo Surabaya). J. Emerg. Inf. Syst. Bus. Intell. (JEISBI) [Internet]. 2023 Sep. 2 [cited 2025 Jul. 10];4(4):1-8. Available from: https://ejournal.unesa.ac.id/index.php/JEISBI/article/view/55855