WALAS-TRĘBACZ, Jolanta. Identifying and Creating Sources of Competitive Advantage in an Enterprise’s Value Chain. Krakow Review of Economics and Management/Zeszyty Naukowe Uniwersytetu Ekonomicznego w Krakowie, Krakow, n. 5(977), p. 63–78, 2019. DOI: 10.15678/ZNUEK.2018.0977.0504. Disponível em: https://krem.uek.krakow.pl/index.php/krem/article/view/1652.. Acesso em: 19 sep. 2024.