On Higher N-Derivation Of Prime Rings. Baghdad Science Journal, Iraq, Baghdad, v. 11, n. 2, p. 211–219, 2014. DOI: 10.21123/bsj.2014.11.2.211-219. Disponível em: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/2623.. Acesso em: 24 dec. 2024.