Plantilla:Ref Siren
Anders Sirén: Changing Interactions between Humans and Nature in Sarayaku, Ecuadorian Amazon. Acta Universitatis Agriculturae Sueciae, Agraria 447 (Doctoral thesis, Swedish University of Agricultural Sciences), Uppsala 2004.
Anders Sirén: Changing Interactions between Humans and Nature in Sarayaku, Ecuadorian Amazon. Acta Universitatis Agriculturae Sueciae, Agraria 447 (Doctoral thesis, Swedish University of Agricultural Sciences), Uppsala 2004.