KUMAR MOHAPATRA, Chinmaya. Patent Ever Greening. International Journal of Psychosocial Rehabilitation, [S. l.], v. 23, n. 5, p. 580–585, 2025. DOI: 10.61841/bfp38r47. Disponível em: https://psychosocial.com/index.php/ijpr/article/view/4479. Acesso em: 24 may. 2025.