(3Yde GdGLJeGY GdMVQj (B:s (3eONd fXQj (B/s - (3ZjK, eMeO YGWas ((3GdEScfOQjI, eUQ (B:s (3OGQ GdeYQaI GdLGeYjI,s, 1987)
(3HHdjhLQGajI (B: (3U(B. 175-178.s
Keywords: (3Yde GdGLJeGY GdMVQjs; (3GdeLJeYGJ GdMVQjIs