Othman, Fauziah, and Jamaludin Md Ali. “Preserving Shape of Data by Using Rational Quadratic Bezier Function: Pengekalan Bentuk Data Dengan Menggunakan Fungsi Nisbah Bezier Kuadratik”.
EDUCATUM Journal of Science, Mathematics and Technology, vol. 2, no. 2, Dec. 2015, pp. 19-26,
https://ejournal.upsi.edu.my/index.php/EJSMT/article/view/68.