URBAŃCZYK, Tomasz. STRATEGIC APPROACH TO PURCHASING PROCESS IN THE EUROPEAN MANUFACTURER OF ELECTRONIC PRODUCTS. Journal of Positive Management, [S. l.], v. 9, n. 1, p. 83–96, 2019. DOI: 10.12775/JPM.2018.138. Disponível em: https://apcz.umk.pl/JPM/article/view/JPM.2018.138. Acesso em: 7 jul. 2025.