(3OQGSGJ SjchdhLjI ai eSJhi GdWehM GdTNUjI (B/ s - (3cGejdjG YHOGdaJGMs ([S.N] : (3OGQ fgVI eUQ ddWHY hGdfTQ , s, 1990)
Keywords: (3Yde GdfaSs; (3GdTNUjIs; (3GdPcGAs