GASTAÑADUY, A. Mercadeo Informal Estrategia de Pequeña Empresa La Necesidad Obliga. Journal of Economics, Finance and Administrative Science, [S. l.], v. 1, n. 1, p. 111–121, 1992. DOI: 10.46631/jefas.1992.n1.06. Disponível em: https://revistas.esan.edu.pe/index.php/jefas/article/view/378. Acesso em: 22 nov. 2024.