@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix isothes: <http://purl.org/iso25964/skos-thes#> .

<https://concepts.sagepub.com/social-science/concept/professional_development>
  skos:prefLabel "professional development"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/play_school_movement> .

<https://concepts.sagepub.com/social-science/concept/play_school_movement>
  skos:definition "The play school movement was born from the work of Caroline Pratt (1867–1954). Pratt was an innovative educator at the forefront of American educational reform, the period of progressive education as well as the nursery school movement. [Source: <a href=\"https://sk.sagepub.com/reference/educationalreform/n344.xml\" target=\"_blank\" data-id=\"to-sk\">Encyclopedia of Educational Reform and Dissent; Play School Movement</a>]"@en ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/professional_development> ;
  skos:prefLabel "play school movement"@en ;
  a skos:Concept .

<https://concepts.sagepub.com/social-science/concept/conceptgroup/concepts>
  a skos:Collection, isothes:ConceptGroup ;
  skos:prefLabel "concepts"@en ;
  skos:member <https://concepts.sagepub.com/social-science/concept/play_school_movement> .