URMANAVIČIENĖ, Audronė; ČIŽIKIENĖ, Janina. The challenges of managing voluntary work in social enterprises. Forum Scientiae Oeconomia, [S. l.], v. 5, n. 3, p. 89–100, 2017. DOI: 10.23762/FSO_vol5no3_17_6. Disponível em: https://ojs.wsb.edu.pl/index.php/fso/article/view/178. Acesso em: 18 sep. 2026.