<http://schema.org/timeRequired>	<http://schema.org/domainIncludes>	<http://schema.org/CreativeWork> .
<http://schema.org/timeRequired>	<http://www.w3.org/2000/01/rdf-schema#comment>	"Approximate or typical time it takes to work with or through this learning resource for the typical intended target audience, e.g. 'P30M', 'P1H25M'." .
<http://schema.org/timeRequired>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#Property> .
<http://schema.org/timeRequired>	<http://www.w3.org/2000/01/rdf-schema#label>	"timeRequired" .
<http://schema.org/timeRequired>	<http://schema.org/rangeIncludes>	<http://schema.org/Duration> .