كاظمأ. ب. (2020) “Verifying the Criterion reference-based hierarchical Assumptions for high-order thinking skills Using Item Response Theory”, ALUSTATH JOURNAL FOR HUMAN AND SOCIAL SCIENCES, 59(1), pp. 19-44. Available at: http://alustath.uobaghdad.edu.iq/index.php/UJIRCO/article/view/1050 (Accessed: 14July2020).