@article{
  author = {, Ahmad, , , , },
  title = {From Meaningful Structure to the Structure of Quatrain (Ruba’i)  (Sociological approach to the Relationship Between Worldview of Rudaki’s  Age and the Structure of Quatrain)},
  journal = {Pazhūhish-i Źabān  va Adabiyyāt-i Farsī},
  year = {2010},
  volume = {8},
  number = {16},
  pages = {1-10},
  doi = {}
}