Wahab A, A., Buhaerah, B., Ahsan, M. and Busrah, Z. (2023) “Mapping students’ thinking structure in solving PISA-like problems: Errors and defragmentation”, Beta: Jurnal Tadris Matematika, 16(2), pp. 110–135. doi: 10.20414/betajtm.v16i2.545.