M. Adnan, N. Mohd Nawi, M. F. N. L. Abdullah, C. N. Che Ahmad, and N. S. Arifin, “Pembinaan item Kemahiran Berfikir Aras Tinggi Matematik Tingkatan Satu untuk topik Pecahan: Development of Higher Order Thinking Skill items for Topic of Fraction in Mathematics subject for Form One students”, JPSMM, vol. 8, no. 1, pp. 46–54, Jun. 2018.