Aarthi Chandramohan and M. V. C. Rao, Novel and Different Definitions for Fuzzy Union and Intersection Operations. journal = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology. May 2008, vol. 17(5). 1651 - 1657 [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/8136.