MAZUREK, Grzegorz; TKACZYK, Jolanta. INFORMAL CHANNELS OF COMMUNICATION USED BY ENTERPISES. Acta Scientiarum Polonorum. Oeconomia, [S. l.], v. 15, n. 2, p. 103–112, 2016. Disponível em: https://aspe.sggw.edu.pl/article/view/390. Acesso em: 4 apr. 2025.