(3GdfXQjI GdYGeI ddEKHGJ aj GdehGO GdLfGFjI (B:s (3OQGSI ebGQfI Hjf GdfXe GdELQGFjI GddGJjfjI hGdLQeGfjI hGdGTJQGcjI hGdCfLdhSchfjI hGdTQjYI GdESdGejI (B/s - (3CMeO, gdGdj YHO GddGgs ([(3GdbGgQI(B] :s (3OGQ GdfgVI GdYQHjI,s, 1987)
(3HHdjhLQGajI (B: (3U(B. 1198-1302.s
Keywords: (3GdEKHGJ GdLfGFjs