Rodrigues, Ana Paula, Isabel Vieira, and Mário Sérgio Teixeira. “Small Historic Cities and Their Visitors: Application to a Historic City of North Portugal”. PASOS Revista de Turismo y Patrimonio Cultural 13, no. 3 (September 26, 2014): 521–540. Accessed July 16, 2024. https://ojsull.webs.ull.es/index.php/Revista/article/view/422.