@article{
  author = {Kord Zafaranlu kambuzia , Aliyeh , , },
  title = {Natural Classes of Vowels in Persian Language },
  journal = {Pazhūhish-i Źabān  va Adabiyyāt-i Farsī},
  year = {2010},
  volume = {7},
  number = {15},
  pages = {1-10},
  doi = {}
}