1. AAAS (American Association for the Advancement of Science). 2013. “Assistance to the Guatemalan Commission for Historical Clarification: AAAS Scientific Responsibility, Human Rights and Law Program.” Accessed March 3, 2015. http://shr.aaas.org/guatemala/ceh/ceh.htm.
2. Los impactos negativos de la mina Marlin en territorialidad Mam y Sipakapense,2007