https://ftp.kr.freebsd.org/pub/CPAN/modules/by-category/06_Data_Type_Utilities/Statistics/YUNFANG/
Index of /pub/CPAN/modules/by-category/06_Data_Type_Utilities/Statistics/YUNFANG/
https://www.cpan.org/authors/id/Y/YU/YUNFANG/
Index of /authors/id/Y/YU/YUNFANG
index of authorsidyu
https://mirror.las.iastate.edu/CPAN/authors/id/Y/YU/YUNFANG/?C=D;O=A
Index of /CPAN/authors/id/Y/YU/YUNFANG
index ofcpanauthorsidyu