Z. Mohamed, O. Lebar, and S. Shamsuddin, “Pembinaan dan Penilaian Instrumen Ujian Aptitud Kemasukan ke Institut Pengajian Tinggi Malaysia: Development and Evaluation of an Aptitute Test for Bachelor Degree Entrance in Malaysian Institution of Higher Learning”, JSML, vol. 5, pp. 16–27, Dec. 2017.