<http://webisa.webdatacommons.org/prov/64090339>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/28415856> .
<http://webisa.webdatacommons.org/28415856>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<issuu.com> .
<http://webisa.webdatacommons.org/28415856>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/28415856>	<http://www.w3.org/ns/prov#value>	"Errors and undercounting occur even in high-income countries; in developing countries errors may be substantial because of limits in the transport, communications, and other resources required to conduct and analyze a full census." .