(3cJGH GdHQ hGdUdI (B/s - (3GdeQhRj, GdMSjf Hf GdMSf,s (3J(B. 246 (3g`(B.s; (3HNGQj, eMeO SYjO Hf eMeO MSf CMeOs ((3GdQjGV (B:s (3OGQ GdhWf,s, 1998)
Keywords: (3GdCNdGb GdESdGejIs; (3GdBOGH GdESdGejIs