In the eyes of the beholder : leadership and the social construction of power and dominance among the Matsigenka of the Peruvian Amazon / by Dan Rosengren
Guerra à poluição: artigos traduzidos do el correo de la Unesco, ns. 6 e 8-9 de 1970, por Rui Belford Dias / U. Thant, Dan Behrman, Roberto Passino