Abderrahim El Moussaouy, and M’hammed Ziane. “Notes on Generalizations of Hopfian and Co-Hopfian Modules”. Jordan Journal of Mathematics and Statistics 15, no. 1 (May 18, 2025): 43–54. Accessed August 18, 2025. https://jjms.yu.edu.jo/index.php/jjms/article/view/763.