THILAGAVATHY, K.P.; SANTHA, A. A COMPARATIVE STUDY ON ACHROMATIC AND B-CHROMATIC NUMBER OF CERTAIN GRAPHS. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 39, p. 39–44, 2018. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/6955. Acesso em: 7 oct. 2026.