@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<http://www.irandoc.acir/onto/irandoc/NEMA0004257>
  skos:prefLabel "اقتصاد"@fa, "economics"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0004234> .

<http://www.irandoc.acir/onto/irandoc/NEMA0004211>
  skos:prefLabel "اقتصاد انرژی"@fa, "energy economics"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0004234> .

<http://www.irandoc.acir/onto/irandoc/NEMA0001382>
  skos:prefLabel "ذخایر معدنی"@fa, "mineral deposits"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0004234> .

<http://www.irandoc.acir/onto/irandoc/NEMA0001887>
  skos:prefLabel "زمین‌شناسی اقتصادی"@fa, "economic geology"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0004234> .

<http://www.irandoc.acir/onto/irandoc/NEMA0004234>
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0001887>, <http://www.irandoc.acir/onto/irandoc/NEMA0001382>, <http://www.irandoc.acir/onto/irandoc/NEMA0004211> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0004257> ;
  skos:prefLabel "اقتصاد معدنی"@fa, "mineral economics"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .