Gaidelys, Vaidas, and Stasys Dailydka. “Use of ‘Knowledge House’, DWS, DMS and DSS Methodology by Completing a competitors’ Analysis in the Railway Sector”. Journal of Business Economics and Management 17, no. 6 (December 21, 2016): 1022-1051. Accessed January 26, 2022. https://journals.vgtu.lt/index.php/JBEM/article/view/2289.