(3JaSjQ GdYgO GdLOjO (B: (3QSGdI QhejI (B/ s - (3UehFjd MHjHs; (3HWQS YHOGdedcs; (3efjS YHO GdfhQs; (3HGQcdi ,hdjes ([S.N] : (3OGQ GdKbGaI GdYQHjI , s, 1982)
Keywords: (3GdYgO GdLOjOs; (3GdGfLjds