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

<http://www.irandoc.acir/onto/irandoc/NEMA000686>
  skos:prefLabel "هزینه‌های متغیر"@fa, "variable costs"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA000684> .

<http://www.irandoc.acir/onto/irandoc/NEMA000684>
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA000686> ;
  skos:prefLabel "operational costs"@en, "هزینه‌های عملیاتی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .