Correia de Barros, Ana; Vasconcelos, Ana: 'Human-centred design with older adults: examples and recommendations for research, ideation and testing' (Healthcare Technologies, 2016), 'Active and Assisted Living: Technologies and Applications', Chap. 20, pp. 409-431, DOI: 10.1049/PBHE006E_ch20
IET Digital Library, https://digital-library.theiet.org/;jsessionid=u0qieq0a5hmf.x-iet-live-01content/books/10.1049/pbhe006e_ch20