M. R. RAJESH KANNA; R. JAGADEESH. Topological Indices of Vitamin A. International Journal of Mathematics And its Applications, [S. l.], v. 6, n. 1 - B, p. 271–279, 2018. Disponível em: http://ijmaa.in/index.php/ijmaa/article/view/923. Acesso em: 9 may. 2024.