2026. PEMBINAAN UJIAN DIAGNOSTIK KOGNITIF BERBENTUK DUA-PERINGKAT UNTUK MENGENAL PASTI MISKONSEPSI OPERASI MUDAH UNGKAPAN ALGEBRA (Development of a Two-Tier Cognitive Diagnostic Test to Identify Misconceptions of Basic Operations of Algebraic Expression). Malaysian Journal of Learning and Instruction. 23, 1 (Jan. 2026), 181–204. DOI:https://doi.org/10.32890/.