DOBROWOLSKA, Małgorzata. Crucial Importance of Work Productivity in the Conditions of a-Typical Employment. European Journal of Economics and Business Studies, [S. l.], v. 1, n. 3, p. 36–39, 2015. DOI: 10.26417/ejes.v3i1.p36-39. Disponível em: https://revistia.com/index.php/ejes/article/view/2533. Acesso em: 9 nov. 2025.