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3Characterization of the backyards, in the families of La Concordia, Chiapas, México Characterization of the backyards, in the families of La Concordia, Chiapas, Méxicoby Aguilar Vázquez, Emilio Herasto autor, Cadena Iñiguez, Pedro autor, Pinto Ruíz, René autor 14230, Nahed Toral, José Doctor autor 6870, De la O Arias, Manuel Alejandro autorTexto bibliotecaECOSUR