(3GdGSGS ai GddZI GdYQHjI (B/ s - (3GMeO WGgQ MSfjfs; (3YHOGdYRjR fHhis ([S.N] : (3GdUOQ dNOeGJ GdWHGYI , s, 1987)
Keywords: (3GdfMhs; (3GddZI GdYQHjIs