Pencils and Photos as Tools of Communicative Research and Praxis: Analyzing Minga Perú‟s Quest for Social Justice in the Amazon. Gazette, 68(4), 313-330 —- Arvind Singhal and Elizabeth Rattine-Flaherty (2006) —- http://utminers.utep.edu/asinghal/Articles%20and%20Chapters/singhal_rattineflaherty.pdf