(3GdGOGQI GdMchejI hGdJfejI (B.s - (3GdQaGYj , jYbhH GdSjO jhSa (B.s ((3GdchjJ (B:s (3PGJ GdSdGSd ,s, 1999)
Keywords: (3GdGOGQI (B.s