Market of currency exchanges of the formal sector vs the informal sector in Estelí in 2015. Revista Científica Estelí, [S. l.], n. 18, p. 52–63, 2016. Disponível em: https://revistas.unan.edu.ni/index.php/Cientifica/article/view/2909. Acesso em: 9 aug. 2025.