SK. SAMSUL ALAM. Maximality of Circular Area: An Activity Oriented Learning. International Journal of Mathematics And its Applications, [S. l.], v. 2, n. 2, p. 47–58, 2014. Disponível em: http://ijmaa.in/index.php/ijmaa/article/view/305. Acesso em: 19 apr. 2024.