Wulandari, Enika. “KONSTRUKSI MATH OPEN-ENDED WORKSHEET BERMUATAN HIGHER ORDER THINKING SKILLS (HOTS)”. THETA: Jurnal Pendidikan Matematika 3, no. 1 (April 29, 2021): 19–25. Accessed May 3, 2024. http://journal.mbunivpress.or.id/index.php/THETA/article/view/368.