Obras Ineditas de Antonio de Abreu, Amigo e Companheiro de Luiz de Camões no Estado da India: Fielmente Extrahidas do Seu Antigo Manuscrito, Que Possuimos em Papel Asiatico (Classic Reprint) Abreu, António de Heftet / 2018 / Portugisisk
Obras Ineditas de Antonio de Abreu, Amigo e Companheiro de Luiz de Camões no Estado da India: Fielmente Extrahidas do Seu Antigo Manuscrito, Que Possuimos em Papel Asiatico (Classic Reprint) Abreu, António de Innbundet / 2018 / Portugisisk
Perspectives and Trends in Education and Technology Selected Papers from ICITED 2021 Mesquita Anabela Heftet / 2022 / Engelsk
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New Trends Towards Mediterranean Tourism Sustainability Rosalino, Luís Miguel Innbundet / 2013 / Engelsk
Advances in Tourism, Technology and Systems Selected Papers from ICOTTS 2021, Volume 1 Abreu, António Heftet / 2023 / Engelsk
Advances in Tourism, Technology and Systems Selected Papers from ICOTTS 2021, Volume 1 Abreu, António Innbundet / 2022 / Engelsk
Advances in Tourism, Technology and Systems Selected Papers from ICOTTS 2022, Volume 1 Carvalho, João Vidal Innbundet / 2023 / Engelsk
Advances in Tourism, Technology and Systems Selected Papers from ICOTTS 2022, Volume 1 Carvalho, João Vidal Heftet / 2024 / Engelsk
