GREENAN, Margaret. Stonelwall England and Scotland. Lifelong Lifewide Learning, [S. l.], v. 8, n. 19, p. 55–61, 2012. DOI: 10.19241/lll.v8i19.267. Disponível em: https://edaforum.it/ojs/index.php/LLL/article/view/267. Acesso em: 30 ago. 2026.