- Perna, F. & Custódio, M.J. (2019). The IMPACTUR-ALGARVE project: Development of a platform to monitor, predict and simulate the tourism competitiveness of the Algarve within the national territory and Spanish Mediterranean Basin. In P. Almeida, J.P. Jorge & J. Costa (Coords.), Proceedings of 11th International Tourism Congress – The Image and Sustainability of Tourism Destinations 2019 – Abstract Book, 140-141.
https://iconline.ipleiria.pt/bitstream/10400.8/8554/1/Abstract%20Book%20ITC2019_completo.pdf - Perna, F. (2020). Monitorizar a Competitividade Turística do Algarve. UALGZine Revista da Universidade do Algarve – Um Contributo Local para o Desenvolvimento Global, (13), 32.
https://www.ualg.pt/sites/default/files/inline-files/Revista_2020_final.pdf - Perna, F. (2020). Monitoring the Algarve’s Tourism Competitiveness. UALGZine Revista da Universidade do Algarve – A local contribution to global development, (13), 32.
https://www.ualg.pt/sites/default/files/inline-files/Revista_2020_final_ingles_1.pdf - Perna, F. & Custódio, M.J. (2021). The Unexpected Merge of Tourism Seasons and COVID-19 Pandemic: Marketing and Economic Contributions from Ex-ante and Ex-posts observations in the Algarve. In J. Umbelino, M. Guerra, M. Calisto, M. Costa, M. Silva, R. Peres & S. Gonçalves (Coords.), XIII International Tourism Congress – Reiventing Tourism for Upcoming Challenges 2021 – Book of Abstracts, 93-94.
http://itc2021.eshte.pt/blog/wp-content/uploads/2021/12/XIII_ITC_Estoril_2021_Book_of_Abstracts.pdf - Perna, F. & Custódio, M.J. (2021). Acessibilidade e sustentabilidade no turismo em Portugal. In L. Mourão, L. Ferreira & J. Pinto (Eds.), Portugal e o Turismo (1ª ed. pp. 60-69). Book Cover Editora & ISCET – Instituto Superior de Ciências Empresariais e do Turismo. ISBN 9789899067097
Portugal_Turismo_Book_2021.pdf - Perna, F. & Custódio, M.J. (2022). Mobility and Tourism Products in Local Emissions of CO2: An Exploratory Approach by IMPACTUR-ALGARVE PROJECT to Rent-a-Car and Maritime-Tourism Activities. In K. Lesniewska-Napierala, T. Napierala, E. Devile & C. Martins (Coords.), Proceedings of 12th International Tourism Congress ITC 2022 – Going Back / Forward to Sustainability – Book of Abstracts, 72-73.
https://spot-erasmus.eu/wp-content/uploads/2022/11/ITC2022_BookOfAbstracts_V1.pdf - Yılmaz, E., Perna, F., Azevedo, P., Custódio, M.J. & Çeken, H. (2022). Can They Manage in a Sustainable Way? The Role of International Destination Awards in Beach Management. European Journal of Tourism, Hospitality and Recreation, 12(1) 89-99.
https://doi.org/10.2478/ejthr-2022-0007 - Bártolo, P., Lazana, M., Ribeiro, H., Pereira, E., Custódio, M.J., Perna, F., Douglas, J., Ribeiro, D., Costa, C., Serejo, J., Nunes, M. J., Vicente, V., Schifferegger, K., Nunes, A. S., Viana, P., Franco, A., Quadrado, M. F., Faia, V., Nogueira, P., … Penha, A. (2023). Guia de Boas Práticas de Sustentabilidade para as Infraestruturas de Apoio ao Turismo Náutico no Litoral, Rios e Albufeiras. Turismo de Portugal, I. P.. ISBN 978-972-8103-89-7.
https://business.turismodeportugal.pt/SiteCollectionDocuments/sustentabilidade/guia-sustentabilidade-turismo-nautico-tdp-2023.pdf - Coelho, C., Perna, F., Carvalhinho, L. & Custódio, M.J. (no prelo). Outdoor Recreation and Agritourism Experiences Through Website Content Analysis. In L. Carvalhinho & E. Pereira (Eds.), Outdoor Sports: Trends, Innovation and Sustainability. Edições ESDRM – Escola Superior de Desporto de Rio Maior.
Art2_DN2023_rev06_CC.pdf