(3JbQjQ GdeSJbHd (B: s (3GYGOI GdJGgjd(B:(3fehPL GdeQGLYGJ GdacQjI ddLeGYI GdGSdGejI aj eUQ (B/ s ((3GdGeGQGJ (B: s (3eQcR GdeSJbHd ddCHMGK hGdOQGSGJ GdeJbOeI , s, 2015)
Keywords: (3GdYdGbGJ GdOhdjI, eQGcR GdCHMGK, GdOQGSGJ GdeSJbHdjIs