Witczak, Radosław. “THE INCORRECTNESS OF ESTIMATING OF TAX BASE IN INCOME TAXES IN THE RESEARCH”. Acta Universitatis Lodziensis. Folia Oeconomica 1, no. 299 (March 10, 2014). Accessed March 29, 2026. https://www.czasopisma.uni.lodz.pl/foe/article/view/164.