Costa Rica's northern zone: a region of potentiality, opportunities and challenges. La zona norte de Costa Rica: una región de potencialidades, oportunidades y desafíos.
mag(2009)
关键词
poverty,hunting,management,rural areas,environmental degradation,conception,water pollution,environment,erosion,processing,immigration,adult education,natural resources,sedimentation,wildlife,wastewater treatment,wastewater
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