(3GdeOQSI hGdeLJeY GdYUQi (B/ s - (3eMeO efjQ eQSis; (3eMeO bOQi dWais; (3O(B. (3LhSdjfs; (3eMeO YRJ YHOGdehLhO (B((3eJQLe(B)s ([S.N] : (3YGde GdcJGH , s, 1977)
Keywords: (3GdJYdjes; (3GdeOQSI hGdeLJeYs; (3GdNOeI GdGLJeGYjIs; (3GdeOGQSs