Abadiga, Zinab, Kidane Tola, and Abera Tulu. “The Status of Higher-Order Thinking Skills in Secondary School Mathematics Teaching and Learning”. Journal of Curriculum Studies Research 8, no. 1 (January 22, 2026): 155-177. Accessed May 17, 2026. https://curriculumstudies.org/index.php/CS/article/view/548.