RAWSKI, Marek. The Diversification of Sources of Marketing Information by Business Activity Type – Research Results. Krakow Review of Economics and Management/Zeszyty Naukowe Uniwersytetu Ekonomicznego w Krakowie, Krakow, n. 3(951), p. 47–62, 2016. DOI: 10.15678/ZNUEK.2016.0951.0304. Disponível em: https://krem.uek.krakow.pl/index.php/krem/article/view/1063.. Acesso em: 20 sep. 2024.