About: http://webisa.webdatacommons.org/424427272

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	class and out of it) on the kinds of difficulties which students face in studying this
http://www.w3.org/ns/prov#wasQuotedFrom	archive.org