Popp, L.E. (2010) « The labour market and the social approach of unemployment », Revista de Cercetare si Interventie Sociala, 28, p. 115–123. Disponible sur: https://www.rcis.ro/journal/article/view/297-the-labour-market-and-the-social-approach-of-unemployment (Consulté le: 7 novembre 2026).