About: http://webisa.webdatacommons.org/67362477

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	When the family was a unit of produc-tion, children provided material bene???ts to parents through the contri-bution of their labour to the household economy.
http://www.w3.org/ns/prov#wasQuotedFrom	slideshare.net