KARTINAH; TOTO NUSANTARA; SUDIRMAN; TJANG DANIEL. Identifying Cognitive Obstacle on the Topic of Definite Integral among Prospective Teacher. Elementary Education Online, [S. l.], v. 20, n. 3, p. 186–192, 2023. Disponível em: https://ilkogretim-online.org/index.php/pub/article/view/1621. Acesso em: 27 jul. 2024.