1.
Kołodziejczak M, Poczta W. Changes in the Level And Structure of Utilisation of Services in Polish and German Agriculture in 1998-2012. jard [Internet]. 31Dec.2014 [cited 26Apr.2024];31(1):69-. Available from: http://www1.up.poznan.pl/jard/index.php/jard/article/view/477