Title:Formulación del Plan Institucional de Gestión Ambiental -PIGA- en la Empresa de Servicios Públicos de Santander S.A. E.S.P. "ESANT" / Formulation of the Institutional Environmental Management Plan -PIGA- in the Public Service Company of Santander S.A. E.S.P. "ESANT"
Title:Turismo em meio insular africano: análise comparativa de impactos / Tourism in the African insular environment: a comparative analysis of impacts