https://akipingu.r-universe.dev/simpowahttps://akipingu.r-universe.dev/api/packages/simpowahttps://akipingu.r-universe.dev/simpowa/simpowa.pdfhttps://akipingu.r-universe.dev/simpowa/doc/manual.htmlhttps://akipingu.r-universe.dev/simpowa/citationhttps://akipingu.r-universe.dev/simpowa/citation.txthttps://akipingu.r-universe.dev/simpowa/citation.cff