(3YdGbI GdadSaI HGdYdhe GdGfSGfjI (B: s ( (3OQGSI ai adSaI ejQdhHhfJi (B) / s - (3YdG eUWai GfhQs ((3GdbGgQI (B: s (3OGQ GdKbGaI ddfTQ hGdJhRjY , s, 1994)
Keywords: (3GdadSaIs; (3GdadSaI GdhLhOjIs; (3GdadSaI GdZQHjIs; (3ejQdhHhfJis