<http://webisa.webdatacommons.org/prov/195061193>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/152340731> .
<http://webisa.webdatacommons.org/152340731>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/152340731>	<http://www.w3.org/ns/prov#value>	"Full Text Available This study is a part of an on-going research examining the properties of foam concrete when replacing the cement with semi-processed Oil Palm Ash (OPA. Replacements range from 25% to 65% were used for a mix having the mix ratio of (1:2:0.45 and having the target density of 1300kg/m3." .
<http://webisa.webdatacommons.org/152340731>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<worldwidescience.org> .