https://omarashkar.r-universe.dev/GIFTrhttps://omarashkar.r-universe.dev/api/packages/GIFTrhttps://omarashkar.r-universe.dev/GIFTr/GIFTr.pdfhttps://omarashkar.r-universe.dev/GIFTr/doc/manual.htmlhttps://omarashkar.r-universe.dev/GIFTr/citationhttps://omarashkar.r-universe.dev/GIFTr/citation.txthttps://omarashkar.r-universe.dev/GIFTr/citation.cffhttps://omarashkar.r-universe.dev/GIFTr/doc/GIFTr_tutorial.Rmdhttps://omarashkar.r-universe.dev/articles/GIFTr/GIFTr_tutorial.html