@article{
  author = {zakeri, ahmad, ghani sfandabad, saman},
  title = {Letter semantic in collection of Hafez’ sonnets},
  journal = {Interpretation and Analysis of Persian Language and Literature Texts (Dehkhoda)},
  year = {2012},
  volume = {4},
  number = {11},
  pages = {62-92},
  doi = {}
}