Tor, Guan Yi, and Roslinda Rosli. “Content Analysis on Space Topic in 2021 Revised KSSR Mathematics Textbook: Analisis Kandungan Topik Ruang Dalam Buku Teks Matematik KSSR Semakan 2021”. Jurnal Pendidikan Sains dan Matematik Malaysia 12, no. 2 (December 19, 2022): 93–106. Accessed April 22, 2024. https://ejournal.upsi.edu.my/index.php/JPSMM/article/view/7429.