(3JfGRY GdbhGfjf OQGSI YbGQjI ai GdeHGOiA GdYGeI hGdLdhd GdhVfjI GdebQQI ai GdJTQjY GdeUQi (B/ s - (3gTGe Ydi UGObs ([S.N] : (3efTGI GdeYGQa GdGSdGejI , s, 1991)
Keywords: (3GdbGfhfs; (3GdbGfhf GdOhdis