About: http://webisa.webdatacommons.org/246178173

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	The periods should be comparatively short for the primary child (not more than twenty minutes) for more formal types of instruction.
http://www.w3.org/ns/prov#wasQuotedFrom	oldandsold.com