Najahah, Vina, and Utomo Pujianto. 2026. “Automatic Classification of Artificial Intelligence Generated Question Difficulty Levels: Klasifikasi Otomatis Tingkat Kesulitan Soal Hasil Kecerdasan Buatan”. Indonesian Journal of Innovation Studies 27 (1):10.21070/ijins.v27i1.1880. https://doi.org/10.21070/ijins.v27i1.1880.