(3OjhGf eLfhf djdi (B/ s - (3YHOGdSJGQ GMeO aQGLs ([S.N] : (3ecJHI eUQ , s, 1979)
Keywords: (3GdTYQ GdYQHis; (3GdGOH GdYQHis; (3GdTYQ GdZRdis; (3OhGhjf hbUGFOs