Arifin, M. Zainul, Kamaliyah Kamaliyah, Rahman Nul Hakim, and Martin Suhendra. “Quality Assessment of Mathematics Textbooks: Identifying and Addressing Content Mistakes”. Jurnal Elemen 12, no. 3 (August 6, 2026): 895–912. Accessed September 10, 2026. https://e-journal.hamzanwadi.ac.id/index.php/jel/article/view/34738.