@article{
  author = {valipour, ahmad, naderi, ezatallah, Shariatmadari, علی, Seifnaragi, مریم},
  title = {A survey of guidance school teachers knowledge of curriculum 
development and principles of learning in order to in produce
 a practical model to increase their knowledge and skills},
  journal = {Educational researches},
  year = {2009},
  volume = {5},
  number = {19},
  pages = {1-20},
  doi = {}
}