Youngji Yoo and Cheong-Sool Park and Jun Seok Kim and Young-Hak Lee and Sung-Shick Kim and Jun-Geol Baek, Clustering Mixed Data Using Non-normal Regression Tree for Process Monitoring. journal = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology. December 2012, vol. 72(12). 1699 - 1703 [viewed 21 September 2024]. Available from: https://publications.waset.org/pdf/978.