DESWITA, R.; ERITA, S.; NINGSIH, F. The Student’s Learning Obstacle in Calculus Course. Edumatika : Jurnal Riset Pendidikan Matematika, [S. l.], v. 4, n. 2, p. 150–162, 2021. DOI: 10.32939/ejrpm.v4i2.1114. Disponível em: https://ejournal.iainkerinci.ac.id/index.php/edumatika/article/view/1114. Acesso em: 3 jul. 2024.