PEREIRA, C. Expo Ciencia Masaya 2015. Universidad y Ciencia, [S. l.], v. 8, n. 13, p. 109–114, 2017. DOI: 10.5377/uyc.v8i13.4548. Disponível em: https://camjol.info/index.php/UYC/article/view/4548. Acesso em: 29 jun. 2024.