https://berrij.r-universe.dev/dccpphttps://berrij.r-universe.dev/api/packages/dccpphttps://berrij.r-universe.dev/dccpp/dccpp.pdfhttps://berrij.r-universe.dev/dccpp/doc/manual.htmlhttps://berrij.r-universe.dev/dccpp/NEWShttps://berrij.r-universe.dev/dccpp/NEWS.txthttps://berrij.r-universe.dev/dccpp/citationhttps://berrij.r-universe.dev/dccpp/citation.txthttps://berrij.r-universe.dev/dccpp/citation.cff