S. ANNIE AJILA; J. ROBERT VICTOR EDWARD. The total geo chromatic number of a graph. Malaya Journal of Matematik, India, v. 8, n. 04, p. 2337–2341, 2020. DOI: 10.26637/MJM0804/0178. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/1915. Acesso em: 16 jul. 2024.