Playgrounds, their administration and operation. National recreation association

類似資料

• Playgrounds : their administration and operation
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• Standards: playgrounds, playfields, recreation buildings, indoor recreation facilities
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• The year book of the Playground and Recreation Association of America
• American playgrounds, their construction, equipment, maintenance and utility
  著者:: Mero, Everett Bird, 1876-
  出版事項: (1909)