1.
MIKULEC A. Methods of estimating the mean duration of enterprises and the mean additional duration of enterprises in Lodzkie Voivodship. ees [Internet]. 2018 Oct. 31 [cited 2024 Nov. 2];18(2 (46):717-31. Available from: https://czasopisma.uni.opole.pl/index.php/ees/article/view/99