OZALTUN-CELIK, A. A calculus student’s understanding of graphical approach to the derivative through quantitative reasoning. LUMAT: International Journal on Math, Science and Technology Education, [S. l.], v. 9, n. 1, p. 892–916, 2021. DOI: 10.31129/LUMAT.9.1.1663. Disponível em: https://journals.helsinki.fi/lumat/article/view/1663. Acesso em: 4 may. 2024.