Syaputra, Muhammad Rizky, S. Suhendra, and Al Jupri. “Design of Teaching Materials for Word Problem Application of Quadratic Function Based on Newman Procedure”. Research and Development in Education (RaDEn) 5, no. 2 (December 28, 2025): 1085–1098. Accessed June 4, 2026. https://ejournal.umm.ac.id/index.php/raden/article/view/41829.