Markuszewska, Iwona. “Intensification or Extensification of Polish Agriculture? - In Searching of Directions of Changes. A Case Study: The North-Western Region of Poland”. Journal of Agribusiness and Rural Development 35, no. 1 (December 31, 2015): 67-73. Accessed May 5, 2024. http://www1.up.poznan.pl/jard/index.php/jard/article/view/267.