(3ef jSGYO GSQGFjd (B:s (3GdJehjd GdNGQLi dGSQGFjd efP GfTGFgG ai OYe GecGfjGJgG (B/s - (3LhOg YHOGdNGdbs ([S.N] : (3OGQ GdeSJbHd GdYQHi , s, 1985)
Keywords: (3GdGbJUGOs; (3GSQGFjds; (3GdGMhGd GdGbJUGOjIs; (3GdJehjd GdOhdis; (3GdehGQO GdGbJUGOjIs