The Mathematics of Ghanaian circular musical drumheads: varying tension versus constant tension. The case of the ‘Donno’. Journal of Science and Technology, [S. l.], v. 33, n. 2, 2016. DOI: 10.4314/just.v33i2.397. Disponível em: https://journal.knust.edu.gh/index.php/just/article/view/397. Acesso em: 11 jun. 2026.