1. Inclusive service design: in search of better services;Aceves-Gonzalez,2014
2. AECOM, 2011. Travel training – good practice guide. Department for Transport report. Retreived from: 〈https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/4482/guidance.pdf〉.
3. The demand for public transport: a practical guide;Balcombe,2004
4. Running focus groups with elderly and disabled elderly participants;Barrett;Appl. Ergon.,2000
5. Linking product properties to pleasure: the sensorial quality assessment method – SEQUAM;Bonapace,2002