About: http://webisa.webdatacommons.org/383060393

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	A number of companies who produce educational materials including books, exams and supplemental teaching resources have come under criticism for their products from educators.
http://www.w3.org/ns/prov#wasQuotedFrom	acthompson.net