List of Articles among with 360000 statistical population) and 150 youths problem experts (as whole) were selected by cluster sampling method and were given questionnaires. The result of study showed that: First

• Open Access Article
  • Abstract Page
  • Full-Text
  
  1 - Quality and pathology of youth (12-17 years old) Leisurs in Lorestan province
  Hossin Mehrdad