Drzewiecki, Jakub. “The Perception of Opportunities and Threats in Polish Companies Within the Context of Outsourcing Use – Research Results”. In Wybrane Aspekty zarządzania Procesami, Projektami I Ryzykiem W przedsiębiorstwach, edited by Ewa Sońta-Drączkowska and Izabela Bednarska-Wnuk, 245–258. Poland: Lodz University Press, 2020. Accessed January 26, 2026. https://www.press.uni.lodz.pl/index.php/wul/catalog/book/1227/chapter/3487.