https://cran.r-universe.dev/fuzzySurvivalhttps://cran.r-universe.dev/api/packages/fuzzySurvivalhttps://cran.r-universe.dev/fuzzySurvival/doc/manual.pdfhttps://cran.r-universe.dev/fuzzySurvival/doc/manual.htmlhttps://cran.r-universe.dev/fuzzySurvival/NEWShttps://cran.r-universe.dev/fuzzySurvival/NEWS.txthttps://cran.r-universe.dev/fuzzySurvival/citationhttps://cran.r-universe.dev/fuzzySurvival/citation.txthttps://cran.r-universe.dev/fuzzySurvival/citation.cffhttps://cran.r-universe.dev/fuzzySurvival/doc/fuzzy-survival.Rmdhttps://cran.r-universe.dev/articles/fuzzySurvival/fuzzy-survival.html