CHRZĄŚCIK, Marcin. KEY COMMUNICATION BARRIERS IN MANAGING THE PRODUCTION PROCESSES OF AUDIOVISUAL ADVERTISING IN THE MULTIMEDIA DESIGN SERVICES SECTOR. The Scientific Journal European Policies, Finance and Marketing, [S. l.], n. 20(69), p. 37–47, 2018. DOI: 10.22630/PEFIM.2018.20.69.27. Disponível em: https://pefim.sggw.edu.pl/article/view/1136. Acesso em: 14 nov. 2026.