Bahurudin Setambah MA. Meningkatkan kemahiran penambahan dan penolakan pecahan pelajar tahun 4 melalui Fraction Cipher: Improve adding and subtracting skills 4th year students through Fraction Cipher. JPSMM [Internet]. 2019 May 30 [cited 2024 Apr. 30];9(1):26-35. Available from: https://ojs.upsi.edu.my/index.php/JPSMM/article/view/2978