8 IZA Discussion Papers
IZA Discussion Paper No. 17243
IZA Discussion Paper No. 17171
IZA Discussion Paper No. 15781
IZA Discussion Paper No. 14803
IZA Discussion Paper No. 10817
published in: International Journal o Health Sciences, 2019, 7 (3), 1 - 18
IZA Discussion Paper No. 4848
published in: International Journal of Manpower, 2011, 32 (2), 156-177
IZA Discussion Paper No. 3857
IZA Discussion Paper No. 3236
published in: Acta Sociologica, 2008, 51 (2), 123-143