LAITH H. M. AL-OSSMI; NESREEN KURDY AL-OBAIDY. Measuring Curvature Method for the Exact Value of the Ellipse Perimeter. Eurasian Journal of Physics,Chemistry and Mathematics, [S. l.], v. 20, p. 27–44, 2023. Disponível em: https://geniusjournals.org/index.php/ejpcm/article/view/4695. Acesso em: 9 jan. 2025.