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Khali ZK, Rosli R. Topic analysis of Algebraic Expressions and Algebraic Formulae in Form 1 and Form 2 Mathematics Textbooks: Analisis topik Ungkapan Algebra dan Rumus Algebra dalam Buku Teks Matematik Tingkatan 1 dan Tingkatan 2. JPSMM [Internet]. 2021 Sep. 14 [cited 2024 Mar. 28];11(2):26-38. Available from: https://ejournal.upsi.edu.my/index.php/JPSMM/article/view/5702