KARPINSKA-KRAKOWIAK, Malgorzata. “Ratings or Pairwise Comparisons? An Experimental Study on Scale Usability”. Economic and Environmental Studies 18, no. 2 (46) (October 31, 2018): 653–664. Accessed November 2, 2024. https://czasopisma.uni.opole.pl/index.php/ees/article/view/95.