WIELKI, Janusz; SYTNIK, Inessa; SYTNIK, Bogdan. Doing Business Online as the Key Factor of Regional Entrepreneurship Development — Modern Business Models and Development Trends. Regional Barometer. Analyses & Prognoses, [S. l.], v. 15, n. 4, p. 31–37, 2018. DOI: 10.56583/br.400. Disponível em: https://czaz.akademiazamojska.edu.pl/index.php/br/article/view/400. Acesso em: 5 dec. 2025.