Yacob, R. and Rosli, R. 2023. Comparison of the Cognitive Level of the Topic Of Mixed Operations in Mathematics Year 5 Primary Schools in Malaysia and Brunei: Perbandingan aras Kognitif Topik Operasi Bercampur Matematik Tahun 5 Sekolah Rendah Malaysia dan Brunei. Jurnal Pendidikan Sains dan Matematik Malaysia. 13, 1 (May 2023), 79–98. DOI:https://doi.org/10.37134/jpsmm.vol13.1.7.2023.