Armah P, Osafo-Apeanti W. The effect of graphing software on students’ conceptual understanding of quadratic functions. Af. J. Educ. Stud. Math. Sci. [Internet]. 2013 Sep. 9 [cited 2026 Aug. 1];10(1):9-22. Available from: https://www.ajol.info/index.php/ajesms/article/view/93847