KARUNA. The Classification of Surfaces and the Möbius Strip. African Diaspora Journal of Mathematics ISSN: 1539-854X, Multidisciplinary UGC CARE GROUP I, [S. l.], v. 27, n. 2, p. 16–34, 2024. Disponível em: https://newjournalzone.in/index.php/ijmfsmr/article/view/241. Acesso em: 23 nov. 2024.