NAGALE, A. S. Performance Differential between India’s State Owned Ratna Companies and Private Owned Enterprises. International Journal of Economics and Financial Issues, [S. l.], v. 7, n. 6, p. 138–140, 2017. Disponível em: https://econjournals.com/index.php/ijefi/article/view/5491. Acesso em: 17 may. 2022.