The Jacobson Radical of the Endomorphism Semiring of P.Q.- Principal Injective Semimodules. Baghdad Science Journal, Iraq, Baghdad, v. 17, n. 2, p. 0523, 2020. DOI: 10.21123/bsj.2020.17.2.0523. Disponível em: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/3195.. Acesso em: 9 may. 2024.