(3Gdbhd GdeajO Ydi cJGH GdJhMjO (B/s - (3GdYKjejf , eMeO Hf UGdMs ((3GdOeGe, GdSYhOjI (B:s (3ecJHI OGQ GdefgGL , s, 1998)
Keywords: (3Yde GdcdGes