Ibrahim, Hasniza, et al. “Algebraic Thinking Ability Test (ATAT) Measuring 7th Grade Students Using Rasch Measurement Model”. Jurnal Pendidikan Sains Dan Matematik Malaysia, vol. 13, no. 2, Nov. 2023, pp. 96-111, https://doi.org/10.37134/jpsmm.vol13.2.9.2023.