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"The objective of this paper is to examine the factors which affect alcohol abuse and truancy among adolescents. We propose a new theoretical specification in which alcohol abuse and truancy appear as derived demands, given that they condition peer group and family acceptance, and we introduce...
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Este trabajo profundiza en la evolución de la situación hídrica de la Comunidad General de Riegos del Alto Aragón (127.210 ha), localizada en el noreste español. Se analiza para el conjunto de esta zona regable y para cada una de sus 58 comunidades de regantes la evolución de las demandas...
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