https://rfitak.r-universe.dev/OptMhttps://rfitak.r-universe.dev/api/packages/OptMhttps://rfitak.r-universe.dev/OptM/OptM.pdfhttps://rfitak.r-universe.dev/OptM/doc/manual.htmlhttps://rfitak.r-universe.dev/OptM/citationhttps://rfitak.r-universe.dev/OptM/citation.txthttps://rfitak.r-universe.dev/OptM/citation.cff