Argentine (2) Buenos Aires (2) Vitality (2) Refuse and refuse disposal (2) Cooperative societies (2) Computer output microfilm devices (2) Ordenadores--Salida en microfilme (2) Gestión (2) Residuos (2) Vitalidad (2) Territorio (2) Cooperativas (2) Origin (1) Organization (1) Materials (1) Experience (1) Cities and towns (1) Origen (1) Organizaciones (1) Experiencia (1) Ciudades (1) Materiales (1)