SYAPUTRA, M. R.; SUHENDRA, S.; JUPRI, A. Design of teaching materials for word problem application of quadratic function based on Newman procedure. Research and Development in Education (RaDEn), [S. l.], v. 5, n. 2, p. 1085–1098, 2025. DOI: 10.22219/raden.v5i2.41829. Disponível em: https://ejournal.umm.ac.id/index.php/raden/article/view/41829. Acesso em: 4 jun. 2026.