Krok, Michał. “The Fullfillment of the Principle of Truth in Civil Procedure and the Burden of Proof and the Burden of Argumentation”. Acta Universitatis Lodziensis. Folia Iuridica, no. 73 (January 1, 2014): 129–145. Accessed February 7, 2026. https://www.czasopisma.uni.lodz.pl/Iuridica/article/view/20165.