Umar, Wahid, and Hasanuddin Usman. “Pengembangan Pembelajaran Abad 21 Berbasis Hots Matematis Melalui Strategi Mathematical Habits Of Mind”. JURNAL SAINS SOSIAL DAN HUMANIORA (JSSH) 1, no. 2 (December 7, 2021): 37–44. Accessed April 6, 2026. https://journal.tyarlyta.com/index.php/jssh/article/view/937.