The book Public Sphere by Performance results from a two-year research project Performance and the Public that Ana Vujanović, Bojana Cvejić and Marta Popivoda carried out in 2011 and 2012, during the residency of TkH (Walking Theory) platform (Belgrade) at Les Laboratoires d’Aubervillier. The part of the research of Marta Popivoda gave rise to the documentary film Yugoslavia: How Ideology Moved Our Collective Body.