Nordin, Norazly, et al. “Pembinaan Item Bagi Instrumen Pentaksiran Nilai Akhlak (I-PeNA) Untuk Kanak-Kanak Prasekolah: Item Development for the Instrument of Akhlak Values Assessment (I-PeNA) for Preschoolers”. Selangor Humaniora Review, vol. 6, no. 2, Mar. 2023, pp. 1-12, http://share.journals.unisel.edu.my/index.php/share/article/view/223.