Title:Analisis y evaluacion comparativa de siete modelos precipitacion-escorrentia (Budyko, Coutagne, Grunsky, Penuelas, Pizarro, Turc, Turc-Pike) en la cuenca del Rio Malleco, IX Region.
Title:Implementation of social and environmental standards: Continuity in use based on benefits and costs. A case study: the flower label program in Ecuador