https://cran.r-universe.dev/sstnhttps://cran.r-universe.dev/api/packages/sstnhttps://cran.r-universe.dev/sstn/sstn.pdfhttps://cran.r-universe.dev/sstn/doc/manual.htmlhttps://cran.r-universe.dev/sstn/NEWShttps://cran.r-universe.dev/sstn/NEWS.txthttps://cran.r-universe.dev/sstn/citationhttps://cran.r-universe.dev/sstn/citation.txthttps://cran.r-universe.dev/sstn/citation.cffhttps://cran.r-universe.dev/sstn/doc/Introduction_to_SSTN.Rmdhttps://cran.r-universe.dev/articles/sstn/Introduction_to_SSTN.html