1. Act 1990, Act of 8 March 1990 of local government (Dz.U. 1990, No. 16, item 95).
2. Act 2001, Act of 6 september 2001 of access to public information (Dz. U. No. 112 item 1198).
3. Capturing citizen voice online: Enabling smart participatory local government;Alizadeh;Cities,2019
4. City-as-a-platform: The rise of participatory innovation platforms in Finnish cities, sustainability;Anttiroiko;MDPI, Open Access Journal, vol.,2016
5. A ladder of citizen participation;Arnstein;Journal of the American Planning Association,1969