Czechowski, Paweł. “Research Methods in the Study of Agricultural Law According to the Concept of Professor Andrzej Stelmachowski”. Przegląd Prawa Rolnego, no. 2(25) (December 30, 2019): 31–36. Accessed November 23, 2024. https://pressto.amu.edu.pl/index.php/ppr/article/view/23354.