Liên quan Gopher (giao thức) Gopherus agassizii Gopherus polyphemus Gopherus flavomarginatus Gopherus berlandieri Gopherus morafkai Gocheok Sky Dome Gocheok-dong Gouhelans Goheung
Tài liệu tham khảo WikiPedia: Gopher_(giao_thức) http://www.chronicle.com/article/How-Gopher-Nearly... https://books.google.com/books?id=A1UoH2vGKE8C&pg=... https://www.newscientist.com/blogs/shortsharpscien... https://web.archive.org/web/20110831183201/http://...
