PANJAITAN, M.; HUTAGALUNG, S. N. VISUALIZATION OF LEARNING CALCULUS USING AUTOGRAPH5 AT BUDI DARMA UNIVERSITY. Jurnal Mantik, [S. l.], v. 5, n. 2, p. 1224-1228, 2021. Disponível em: https://iocscience.org/ejournal/index.php/mantik/article/view/1453. Acesso em: 30 jul. 2026.