BAPAT, M. WHEEL RELATED ONE POINT UNION OF VERTEX PRIME GRAPHS AND INVARIANCE . International Journal of Engineering Technologies and Management Research, [S. l.], v. 5, n. 3, p. 145–150, 2018. DOI: 10.29121/ijetmr.v5.i3.2018.186. Disponível em: https://www.granthaalayahpublication.org/ijetmr-ojms/ijetmr/article/view/15_IJETMR18_A03_309. Acesso em: 21 jul. 2024.