KREBS, K. C. Robert White: A River in Spain: Discovering the Duero Valley in Old Castile. London and New York: I.B. Tauris Publishers. 1998. 192 pp. $18.95. Frontiers: The Interdisciplinary Journal of Study Abroad, [S. l.], v. 15, n. 1, p. 203–205, 2007. DOI: 10.36366/frontiers.v15i1.229. Disponível em: https://frontiersjournal.org/index.php/Frontiers/article/view/229. Acesso em: 18 apr. 2024.