About: http://webisa.webdatacommons.org/202644021

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	Free is a strategy, and if you use it effectively and have non-free books that resonante with readers, it???s a strategy that works very well.
http://www.w3.org/ns/prov#wasQuotedFrom	selfpubauthors.com