“Analysis of Item Difficulty Levels and Differentiating Power of TOAFL Questions at KH. Abdul Wahab Hasbullah University Jombang: Analisis Tingkat Kesukaran dan Daya Pembeda Butir Soal TOAFL di Universitas KH. A. Wahab Hasbullah Jombang” (2024) Edulab : Majalah Ilmiah Laboratorium Pendidikan, 9(2), pp. 178–190. doi:10.14421/edulab.2024.92.01.