https://amalan-constat.r-universe.dev/fitODBODhttps://amalan-constat.r-universe.dev/api/packages/fitODBODhttps://amalan-constat.r-universe.dev/fitODBOD/fitODBOD.pdfhttps://amalan-constat.r-universe.dev/fitODBOD/doc/manual.htmlhttps://amalan-constat.r-universe.dev/fitODBOD/citationhttps://amalan-constat.r-universe.dev/fitODBOD/citation.txthttps://amalan-constat.r-universe.dev/fitODBOD/citation.cff