Vieira, Ima Célia Guimarães, Roberto Araújo O. Santos Junior, and Peter Manna de Toledo. 2013. “Science and Public Policies for the Development of the Amazon Region.: A Tribute to Bertha K. Becker”. Sustainability in Debate 4 (2):257-60. https://doi.org/10.18472/SustDeb.v4n2.2013.10051.