Renigier-Biłozor M, Biłozor A. Elaboration of decision support system using fuzzy set theory and rough set theory in the development of the land security. ASPAL [Internet]. 2019 May 29 [cited 2024 May 19];12(1). Available from: https://czasopisma.uwm.edu.pl/index.php/aspal/article/view/4229