ABDUL KAREEM, S. A. Small Pseudo Principally Quasi-Injective Acts . International Journal of Mathematics and Mathematics Education, [S. l.], v. 2, n. 3, p. 139–154, 2024. DOI: 10.56855/ijmme.v2i3.1124. Disponível em: https://journals.eduped.org/index.php/IJMME/article/view/1124. Acesso em: 28 aug. 2025.