Kalinić, Zoran, Vladimir Ranković, and Ljubina Kalinić. “Challenges in Cross-Border E-Commerce in the European Union”. Krakow Review of Economics and Management/Zeszyty Naukowe Uniwersytetu Ekonomicznego w Krakowie, no. 5(977) (February 6, 2019): 159–170. Accessed November 21, 2024. https://krem.uek.krakow.pl/index.php/krem/article/view/1672.