Usta, Neslihan, and Şeyma Söylemez. “EFFECTIVENESS OF UTILIZING SCENARIO-BASED INSTRUCTION TO TEACH ‘FUNCTIONS’ TO HIGH SCHOOL STUDENTS IN MATHEMATICS CLASSES”. International Online Journal of Education and Teaching 7, no. 4 (October 1, 2020): 1791–1821. Accessed January 7, 2026. https://iojet.org/index.php/IOJET/article/view/981.