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

<http://www.irandoc.acir/onto/irandoc/CAB0004166>
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CAB0004144>, <http://www.irandoc.acir/onto/irandoc/CAB0004147>, <http://www.irandoc.acir/onto/irandoc/CAB0004165> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/CAB0004167> ;
  skos:prefLabel "مهندسی محیط"@fa, "environmental engineering"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/CAB0004144>
  skos:prefLabel "مدیریت پسمانده"@fa, "waste management"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/CAB0004166> .

<http://www.irandoc.acir/onto/irandoc/CAB0004147>
  skos:prefLabel "مهندسی بهداشت همگانی"@fa, "public health engineering"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/CAB0004166> .

<http://www.irandoc.acir/onto/irandoc/CAB0004167>
  skos:prefLabel "مهندسی"@fa, "engineering"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CAB0004166> .

<http://www.irandoc.acir/onto/irandoc/CAB0004165>
  skos:prefLabel "کنترل محیطی"@fa, "environmental control"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/CAB0004166> .