Brito, Ramon Gabriel Santos de, Maurício Neves Branco, and Estela Márcia Santos de Brito. “Student Difficulty Solving Quadratic Equation in High School: A Quantitative Research”. Science and Knowledge in Focus 2, no. 1 (February 7, 2025): 05–17. Accessed August 23, 2025. https://periodicos.unifap.br/scienceinfocus/article/view/609.