SALVATIERRA MELGAR, A.; ROMERO, S.; SHARDIN FLORES, L. Khan Academy: Strengthening Calculus I Learning in College Students. Propósitos y Representaciones. Journal of Educational Psychology, [S. l.], v. 9, n. 1, p. e1042, 2021. DOI: 10.20511/pyr2021.v9n1.1042. Disponível em: https://revistas.usil.edu.pe/index.php/pyr/article/view/1042. Acesso em: 3 jul. 2024.