Giyanti, Giyanti, and Rina Oktaviyanthi. “Graphing Quadratics Worksheet Performance in Optimizing Mathematical Visual Thinking: A Single Subject Research”. Mosharafa: Jurnal Pendidikan Matematika, vol. 13, no. 2, Apr. 2024, pp. 371-86, doi:10.31980/mosharafa.v13i2.1470.