Suharyadi, S., and S. R. Kusumaningrum. “Linking Item Analysis to Teaching and Learning: What English Test Data Tell Us about Teachers’ Competencies : Penelitian”. Jurnal Pengabdian Masyarakat Dan Riset Pendidikan, vol. 4, no. 2, Oct. 2025, pp. 9109-16, doi:10.31004/jerkin.v4i2.3116.