Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Li Fachao and Li Yingjun,Research on Fuzzy Programming Method Based on Utility Frequency,ICIC Express Letters,1881-803X,ICIC International,2016,10,04,857,https://cir.nii.ac.jp/crid/1390290698761289216,https://doi.org/10.24507/icicel.10.04.857