EFFENDI. “DETECTING CROSSING DIFFERENTIAL ITEM FUNCTIONING (CDIF): BASED ON ITEM RESPONSE THEORY”. Jurnal Evaluasi Pendidikan 2, no. 2 (October 30, 2011): 147–158. Accessed November 25, 2024. https://journal.unj.ac.id/unj/index.php/jep/article/view/2258.