1. Online communities as agents of change and social movements Gordon, Steven, 1948- Hershey, Pennsylvania : IGI Global, 2017. SOC413
2. The city and the grassroots: a cross-cultural theory of urban social movements Castells, Manuel, 1942- Berkeley, Calif. : University of California Press, c1983. HIST350
3. Citizenship, identity and social movements in the new Hong Kong: localism after the umbrella movement New York : Routledge, Taylor & Francis Group, [2018] SW360
4. Networks of outrage and hope: social movements in the internet age Castells, Manuel, 1942- Cambridge, UK ; Polity Press, 2015. SOC315
