(3JbQjQ GdeSJbHd (B: s (3GdRdRGd(B:(3Gdj Gjf JJLg efWbI GdTQb GdGhSW (B/ s ((3GdGeGQGJ (B: s (3eQcR GdeSJbHd ddCHMGK hGdOQGSGJ GdeJbOeI , s, 2014)
Keywords: (3GdYdGbGJ GdOhdjI, eQGcR GdCHMGK, GdOQGSGJ GdeSJbHdjIs