EQUIEL SILVER NJIRAZAFA. Multilingual System Boost Economic Development in A Region Setup. International Journal of Scientific Trends, [S. l.], v. 1, n. 1, p. 35–44, 2022. Disponível em: http://scientifictrends.org/index.php/ijst/article/view/4. Acesso em: 2 apr. 2025.