(3cja JSGYO GdGNQjf (B/ s - (3LhRja UGHQs; (3QGeR YWGGddgs ([S.N] : (3OGQ GdKbGaI GdYQHjI , s, 1989)
Keywords: (3Yde GdfaSs; (3GdYdGbGJ GdGfSGfjIs; (3GdSdhcs; (3GdSdhc GdGLJeGYis; (3GdGOGH GdGLJeGYjIs; (3GdJcja GdGLJeGYis