Gondra’s Exploration of Tube Volume. Jurnal Ilmiah Mandala Education, [S. l.], v. 11, n. 3, p. 575–580, 2025. DOI: 10.58258/jime.v11i3.9095. Disponível em: https://ejournal.mandalanursa.org/index.php/JIME/article/view/9095. Acesso em: 25 jun. 2026.