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

<http://www.irandoc.acir/onto/irandoc/NEMA0008679>
  skos:prefLabel "فلزات قلیایی"@fa, "alkali metals"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0008673> .

<http://www.irandoc.acir/onto/irandoc/NEMA0006454>
  skos:prefLabel "کمبود پتاسیم"@fa, "potassium deficiency"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0008673> .

<http://www.irandoc.acir/onto/irandoc/NEMA0008673>
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0006454> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0008679> ;
  skos:prefLabel "پتاسیم"@fa, "potassium"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .