About: http://webisa.webdatacommons.org/231065914

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	Second, in the era of print-only content area reading, textbooks and other printed media were the focus of attention.
http://www.w3.org/ns/prov#wasQuotedFrom	researchgate.net