VRBKA, Jaromír - PETRE LUȚAN, Georgeta Anca. Evaluation of the Effects of Intervention Programs for Unemployed: An Overview of Methods. In Ekonomicko-manažérske spektrum. - Žilina : Žilinská univerzita v Žiline, 2019. ISSN 2585-7258, 2019, vol. 13, no. 2, pp. 56-67.