UTAMI ZULIANA, S.; ARFINANTI, N.; DAMAR JATI, W.; RAMADHAN, F. A. KALMUL Software Assited by GeoGebra (A New Media for Learning Multivariable Calculus) . Quadratic: Journal of Innovation and Technology in Mathematics and Mathematics Education, [S. l.], v. 3, n. 1, p. 30–38, 2023. DOI: 10.14421/quadratic.2023.031-05. Disponível em: https://ejournal.uin-suka.ac.id/tarbiyah/quadratic/article/view/6507. Acesso em: 7 feb. 2025.