Ciechan-Kujawa, Marlena. “Professional Financial and Accounting Services in the Light of European Union Directives and the Deregulation of Professions in Poland – Current Status and Research Needs”. Copernican Journal of Finance & Accounting, vol. 4, no. 2, Dec. 2015, pp. 65-77, doi:10.12775/CJFA.2015.016.