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

<http://www.irandoc.acir/onto/irandoc/NEMA0006257>
  skos:prefLabel "دوره‌ها (آموزشی)"@fa, "courses"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0006255> .

<http://www.irandoc.acir/onto/irandoc/NEMA0006255>
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0008046>, <http://www.irandoc.acir/onto/irandoc/NEMA0006257> ;
  skos:prefLabel "دوره‌های مکاتبه‌ای"@fa, "correspondence courses"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/NEMA0008046>
  skos:prefLabel "تحصیل از راه دور"@fa, "distance study (teaching)"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0006255> .