https://mikeasilva.r-universe.dev/simplegraphdbhttps://mikeasilva.r-universe.dev/api/packages/simplegraphdbhttps://mikeasilva.r-universe.dev/simplegraphdb/simplegraphdb.pdfhttps://mikeasilva.r-universe.dev/simplegraphdb/doc/manual.htmlhttps://mikeasilva.r-universe.dev/simplegraphdb/citationhttps://mikeasilva.r-universe.dev/simplegraphdb/citation.txthttps://mikeasilva.r-universe.dev/simplegraphdb/citation.cff