(3GMGOjK GdLeYI hehGYXgG (B/ s - (3YHOGdMejO cTcs ([S.N] : (3GdeNJGQ GdGSdGei ddWHY hGdfTQ hGdJhRjY , s, 1988)
Keywords: (3UdGI GdLeYIs; (3NWHI GdLeYIs