CHATURVEDI, A.K.; KUMAR, S.; PRAKASH, S.; KUMAR, N. Essentially iso-retractable modules and rings. Carpathian Mathematical Publications, [S. l.], v. 14, n. 1, p. 76–85, 2022. DOI: 10.15330/cmp.14.1.76-85. Disponível em: https://journals.pnu.edu.ua/index.php/cmp/article/view/5200. Acesso em: 4 may. 2024.