https://jj.r-universe.dev/dupNodeshttps://jj.r-universe.dev/api/packages/dupNodeshttps://jj.r-universe.dev/dupNodes/dupNodes.pdfhttps://jj.r-universe.dev/dupNodes/doc/manual.htmlhttps://jj.r-universe.dev/dupNodes/NEWShttps://jj.r-universe.dev/dupNodes/NEWS.txthttps://jj.r-universe.dev/dupNodes/citationhttps://jj.r-universe.dev/dupNodes/citation.txthttps://jj.r-universe.dev/dupNodes/citation.cffhttps://jj.r-universe.dev/dupNodes/doc/doges-social-network.Rmdhttps://jj.r-universe.dev/articles/dupNodes/doges-social-network.htmlhttps://jj.r-universe.dev/dupNodes/doc/florentine-social-network.Rmdhttps://jj.r-universe.dev/articles/dupNodes/florentine-social-network.html