Qian, Yiming, Xu Chen, Bin Zhang, and Jinjia Zhou. “DMU-Oriented Design Based on Cases and the Research on KBE System”. Advances in Systems Science and Applications 12, no. 1 (March 30, 2012): 96-102. Accessed April 25, 2024. https://ijassa.ipu.ru/index.php/ijassa/article/view/96.