Loai AbdAllah and Ilan Shimshoni, A Distance Function for Data with Missing Values and Its Application. journal = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology. September 2013, vol. 82(10). 1312 - 1317 [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/17108.