Mastuti, Ajeng Gelora, and Lydia Lia Prayitno. “Exploring High School teacher’s Design of Rich Algebra Tasks”. Jurnal Elemen 9, no. 1 (January 2, 2023): 1–14. Accessed December 21, 2024. https://e-journal.hamzanwadi.ac.id/index.php/jel/article/view/5851.