ONYINYECHI, M. External financing and investment in firms (1990- 2020). International research journal of management, IT and social sciences, [S. l.], v. 8, n. 5, p. 434–445, 2021. DOI: 10.21744/irjmis.v8n5.1916. Disponível em: https://www.sloap.org/journals/index.php/irjmis/article/view/1916. Acesso em: 10 may. 2026.