https://cran.r-universe.dev/SRCShttps://cran.r-universe.dev/api/packages/SRCShttps://cran.r-universe.dev/SRCS/SRCS.pdfhttps://cran.r-universe.dev/SRCS/doc/manual.htmlhttps://cran.r-universe.dev/SRCS/citationhttps://cran.r-universe.dev/SRCS/citation.txthttps://cran.r-universe.dev/SRCS/citation.cffhttps://cran.r-universe.dev/SRCS/doc/SRCS.pdf.asishttps://cran.r-universe.dev/articles/SRCS/SRCS.pdf