Bagieńska, Anna. “The Demand for Professional Knowledge As a Key Factor of the Development of Outsourcing of Financial and Accounting Services in Poland”. Business, Management and Economics Engineering 14, no. 1 (June 10, 2016): 19-33. Accessed May 4, 2024. https://journals.vilniustech.lt/index.php/BMEE/article/view/2147.