A. S. RANADIVE. A Note on Horseshoe Lemma for M- Projective and M- Injective Modules. Journal of International Academy of Physical Sciences, [S. l.], v. 2, n. 1-4, p. 69–72, 1998. Disponível em: https://www.iaps.org.in/journal/index.php/journaliaps/article/view/704. Acesso em: 10 may. 2024.