MICHAEL, B. D.; NWAGRABE, E.; AWOLOLA, J. A. The Commutative Properties of Multigroup. Faculty of Natural and Applied Sciences Journal of Mathematical and Statistical Computing, [S. l.], v. 2, n. 1, p. 39–43, 2024. Disponível em: https://fnasjournals.com/index.php/FNAS-JMSC/article/view/593. Acesso em: 27 dec. 2024.