ET.AL, D. L. F. M. Lesson Study: A Tool for an Improved Instructional Design in Teaching Integration by Parts. Turkish Journal of Computer and Mathematics Education (TURCOMAT), [S. l.], v. 12, n. 3, p. 3862–3869, 2021. Disponível em: https://turcomat.org/index.php/turkbilmat/article/view/1675. Acesso em: 5 may. 2024.