Carling, Jørgen; Elin Berstad Mortensen & Jennifer Wu (2011) A Systematic Bibliography on Return Migration, PRIO Paper. Oslo: Peace Research Institute Oslo.
Carling, Jørgen; Papa Demba Fall; María Hernández Carretero; Mame Yassine Sarr; & Jennifer Wu (2013) Migration aspirations in Senegal: Who wants to leave and why does it matter?, European Policy Brief. Brussels: European Commission.
The Peace Research Institute Oslo (PRIO) conducts research on the conditions for peaceful relations between states, groups and people.