USABILITY TESTING WEBSITE MY UT MENGGUNAKAN METODE POST-STUDY SYSTEM USABILITY QUESTIONNAIRE BERDASARKAN PANDANGAN MAHASISWA UNIVERSITAS TERBUKA. j.sist.inf.inform. [Internet]. 2024 Jul. 12 [cited 2025 Jun. 23];7(2):207-22. Available from: https://ejournal.lppm-unbaja.ac.id/index.php/jsii/article/view/3389