<http://webisa.webdatacommons.org/128559655>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<hvac-talk.com> .
<http://webisa.webdatacommons.org/128559655>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/199939262>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/128559655> .
<http://webisa.webdatacommons.org/prov/294117258>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/128559655> .
<http://webisa.webdatacommons.org/128559655>	<http://www.w3.org/ns/prov#value>	"Yes, there are books and online materials including some videos but nothing beats taking the course." .