Dia, Hussein: 'Summary and future directions [urban mobility and policy principles]' (Transportation, 2017), 'Low Carbon Mobility for Future Cities: Principles and applications', Chap. 14, pp. 327-339, DOI: 10.1049/PBTR006E_ch14
IET Digital Library, https://digital-library.theiet.org/;jsessionid=467d3itdjt2nb.x-iet-live-01content/books/10.1049/pbtr006e_ch14