(3eQGMd GcJTGa GdQjGVjGJ Yf WQjb GdJacjQ GdefWbi (B53 (3eSGdI dGWaGd GdMVGfI (B/ s - (3cGejdjG YHOGdaJGMs; (3ahRi eMeO YHOGdMejO YjSi (B((3eJQLe(B)s; (3JhQJjI, ds ([S.N] : (3OGQ GdacQ GdYQHi , s, 1991)
Keywords: (3WQb GdJOQjSs; (3GdJYdjes; (3GdQjGVjGJs; (3eOGQS GdMVGfIs; (3GdeOGQSs