(3MhSHI GdecJHGJ h eQGcR GdeYdheGJ (B: s (3JWHjbGJ YdejI HGSJNOGe fXGe (Bcds/isis / s - (3GdMGaX, ehSi eMehO YHO Gddgs ((3YeGf (B:s (3GdeDda,s, 1999)
Keywords: (3JNRjf GdeYdheGJs; (3CJeJI GdecJHGJs; (3ESJQLGY GdeYdheGJs