ERDOGAN, F. E.; YÜKSEL PERKTAŞ, S.; POLAT, G. f- biharmonic normal section curves. International Journal of Maps in Mathematics, [S. l.], v. 3, n. 1, p. 28–38, 2020. Disponível em: https://journalmim.com/index.php/journalMIM/article/view/60. Acesso em: 4 may. 2024.