About: http://webisa.webdatacommons.org/86986073

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	Hence, the case study approach is not a method for collecting data, but rather a research strategy whereby a variety of research methods such as interviews, observation, and questionnaires can be used.
http://www.w3.org/ns/prov#wasQuotedFrom	scielo.org.za