Fauzie, Maizura, Andi Ulfa Tenri Pada, and Supriatno Supriatno. “Analysis of the Difficulty Index of Item Bank According to Cognitive Aspects During the Covid-19 Pandemic”. Jurnal Penelitian dan Evaluasi Pendidikan 25, no. 2 (December 31, 2021): 162–169. Accessed May 5, 2025. https://journal.uny.ac.id/index.php/jpep/article/view/42603.