Dự án Sign (Vietnamese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Dự án Sign" in Vietnamese language version.

refsWebsite

Global rank Vietnamese rank

2web.archive.org

1^st place

1^st place

low place

low place

2,431^st place

1,253^rd place

nicap.org

Edward J. Ruppelt (1956). The Report on Unidentified Flying Objects, Doubleday & Co. online Lưu trữ 2005-09-20 tại Wayback Machine

vt.edu

scholar.lib.vt.edu

Hoyt, Diana Palmer (2000). UFOCritique: UFOs, Social Intelligence, and the Condon Committee, p.16 Lưu trữ 2007-03-17 tại Wayback Machine; Master's thesis, Virginia Polytechnic Institute and State University.

web.archive.org

Edward J. Ruppelt (1956). The Report on Unidentified Flying Objects, Doubleday & Co. online Lưu trữ 2005-09-20 tại Wayback Machine
Hoyt, Diana Palmer (2000). UFOCritique: UFOs, Social Intelligence, and the Condon Committee, p.16 Lưu trữ 2007-03-17 tại Wayback Machine; Master's thesis, Virginia Polytechnic Institute and State University.