1.		Exploring the boundaries of a new moral order for tourism's global code of ethics: an opinion piece on the position of animals in the tourism industry / David A. Fennell Autor: Fennell, David A. COTA(S): RE-926
2.		Código dos Contratos públicos: anotado e comentado : Aprovado pelo Decreto-Lei nº 18/2008, de 28 de Janeiro/2015 - 5ª ed. edição revista e atualizada. / Jorge Andrade da Silva Autor: Silva, Jorge Andrade Data Publicação: 2009 COTA(S): 15859; 15859.a; 15859.b
3.		Tour Booking: Do Travelers Respond to Tourism Accreditation and Codes of Ethics Initiatives? / Witchuta Marchoo, Ken Butcher, Mike Watkins Autor: Marchoo, Witchuta Coautor: ; Butcher, Ken Watkins, Mike COTA(S): RE-1562
4.		Is there a case for revising the UNWTO's Global Code of Ethics to include a new article on the ethical treatment of animals by the tourism industry? A response to the opinion piece by David Fennell / Jim Butcher Autor: Butcher, Jim COTA(S): RE-926