Khali, Z. K. and Rosli, R. (2021) “Topic analysis of Algebraic Expressions and Algebraic Formulae in Form 1 and Form 2 Mathematics Textbooks”, Jurnal Pendidikan Sains dan Matematik Malaysia, 11(2), pp. 26-38. doi: 10.37134/jpsmm.vol11.2.3.2021.