https://mplex.r-universe.dev/multiplexhttps://mplex.r-universe.dev/api/packages/multiplexhttps://mplex.r-universe.dev/multiplex/multiplex.pdfhttps://mplex.r-universe.dev/multiplex/doc/manual.htmlhttps://mplex.r-universe.dev/multiplex/citationhttps://mplex.r-universe.dev/multiplex/citation.txthttps://mplex.r-universe.dev/multiplex/citation.cffhttps://mplex.r-universe.dev/multiplex/doc/TwoModeNetworks.Rnwhttps://mplex.r-universe.dev/articles/multiplex/TwoModeNetworks.pdf