Istiyono, Edi, Wipsar Sunu Brams Dwandaru, Made Rai Shanti Ayub, Duden Saepuzaman, Rizki Zakwandi, Anisyah Rachman, Eri Yusron, and Purwoko Haryadi Santoso. “A Study of the Readiness of Post-Pandemic Computer-Based Four-Tier Diagnostic Test (CBFTDT): A Review of Economic Level, School Grades, and Device Accessibility”. Jurnal Penelitian dan Evaluasi Pendidikan 27, no. 1 (June 30, 2023): 92–104. Accessed May 5, 2025. https://journal.uny.ac.id/index.php/jpep/article/view/56005.