MAP20120043961 Cunningham, Rad N. Hazards faced by informal recyclers in the squatter communities of Asunción, Paraguay / Rad N. Cunningham, Christopher D. Simpson, Matthew C. Keifer En: International journal of occupational and environmental health. - Massachusetts : Hamilton Hardy Publishing, Inc., 2010- = ISSN 1077-3525. - 16/07/2012 Volumen 18 Número 3 - julio-septiembre 2012 I. Título.
