https://francagiannini.r-universe.dev/rCTOOLhttps://francagiannini.r-universe.dev/api/packages/rCTOOLhttps://francagiannini.r-universe.dev/rCTOOL/rCTOOL.pdfhttps://francagiannini.r-universe.dev/rCTOOL/doc/manual.htmlhttps://francagiannini.r-universe.dev/rCTOOL/citationhttps://francagiannini.r-universe.dev/rCTOOL/citation.txthttps://francagiannini.r-universe.dev/rCTOOL/citation.cff