(3McheI GdQShd(B((3U(B)((3OQGSI JGQjNjI (B-(3OSJhQjI ebGQfI (B):s - (3GdedGM ,gGTe jMjis ((3HZOGO(B:s (3GdeLeY GdYdej ,s, 2002)
Keywords: (3GdGSdGe (B-(3JGQjNs