Participatory Development of Technologies as a Way to Increase Community Participation: the Cidade de Deus Web Portal Case. - Celso Alexandre Souza de Alvear; Michel Thiollent (J. Community Informatics, 2011)

The Development of an Information System for the Solidarity Economy Movement. - Alan Freihof Tygel; Celso Alexandre Souza de Alvear (J. Community Informatics, 2011)

Teaching Open Data for Social Movements: a Research Strategy. - Alan Freihof Tygel; Maria Luiza Machado Campos; Celso Alexandre Souza de Alvear (J. Community Informatics, 2015)