The World Bank Group, What are Persistent Organic Pollutants (POPs)? (2004), http://lnweb18.worldbank.org/ESSD/envext.nsf/50ByDocName/WhatArePOPs.
The World Bank Group, What are Persistent Organic Pollutants (POPs)? (2004), http://lnweb18.worldbank.org/ESSD/envext.nsf/50ByDocName/WhatArePOPs.