Wiśniewski Łukasz, Wiśniewski Łukasz, Rudnicki R. Labour Input in Polish Agriculture Against Size of Agricultural Holdings - Spatial Analysis. jard [Internet]. 31Dec.2016 [cited 4May2024];41(3):413-24. Available from: http://www1.up.poznan.pl/jard/index.php/jard/article/view/209