Podraza, Roman, Mariusz Walkiewicz, and Andrzej Dominik. “Application of Credibility Coefficients Based on Decision Rules”. Studia Informatica. System and information technology 10, no. 1 (June 15, 2008): 61–73. Accessed January 5, 2025. https://czasopisma.uws.edu.pl/studiainformatica/article/view/2832.