ADRIANA MENA MONTANARO. (Institut für Publizistik- und Kommunikationswissen – Universidade de Viena). 2013. Tese “Communication, speech and imagens on environmental conflicts:comparison of discourse analysis of two cases studies on the communication strategies of certain social and environmental NGOs in conflict in the wake of the hydroelectric projects “Belo Monte” in Brazil and “Diquis” in Costa Rica”.