https://lcgodoy.r-universe.dev/sapohttps://lcgodoy.r-universe.dev/api/packages/sapohttps://lcgodoy.r-universe.dev/sapo/sapo.pdfhttps://lcgodoy.r-universe.dev/sapo/doc/manual.htmlhttps://lcgodoy.r-universe.dev/sapo/citationhttps://lcgodoy.r-universe.dev/sapo/citation.txthttps://lcgodoy.r-universe.dev/sapo/citation.cffhttps://lcgodoy.r-universe.dev/sapo/doc/ht.Rmdhttps://lcgodoy.r-universe.dev/articles/sapo/ht.html