JACEK, Piotr. The strength of modern online tools and their contribution to the development of e-business. In: CZAJKOWSKA, Maria; MALARSKI, Maciej (eds.). Funkcjonowanie e-biznesu. Zasoby, procesy, technologie. ManagementPoland: Lodz University Press,2015. p. 43–53. DOI: 10.18778/8088-106-8.05. Disponível em: https://press.uni.lodz.pl/index.php/wul/catalog/book/1649/chapter/4984. Acesso em: 24 may. 2026.