About: http://webisa.webdatacommons.org/68671803

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	It is affected by many factors, in particular by the fact that there have to be people who speak these languages well and that some of them want to become teachers (in most cases mother-tongue teachers).
http://www.w3.org/ns/prov#wasQuotedFrom	hsv.se