(3JWhjQ GdefGgL (B( (3eONd GNdGbi deSJbHd GdJYdje (B) / s - (3UdGM YHOGdSejY YHOGdQGRbs; (3efUhQ GMeO YHOGdefYes ((3GdbGgQI (B: s (3ecJHI RgQGA GdTQb , s, 2004)
Keywords: (3GdJYdje (B- (3efGgLs; (3GdJYdje (B- (3GZQGVg hGgOGags; (3GdefGgL (B- (3JNWjWs; (3GdJYdje (B- (3JWhjQs; (3GdefGgL (B- (3JWhjQs