Guth, Marta, & Katarzyna Smędzik-Ambroży.
" Subsidising sustainability by farming types in Poland in the years 2004-2015." <em>&lt;center&gt;Conference Proceedings &lt;BR&gt; Determinants Of Regional Development&lt;/center&gt;</em> [Online],.1 (2018): n. pag. Web.  1 May. 2024