P.-W. Tsai and J.-W. Chen and C.-W. Chen and C.-Y. Chen, Half-Circle Fuzzy Number Threshold Determination via Swarm Intelligence Method. journal = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology. July 2014, vol. 89(5). 901 - 904 [viewed 19 March 2024]. Available from: https://publications.waset.org/pdf/9998956.