David Walker (Portuguese Wikipedia)

Analysis of information sources in references of the Wikipedia article "David Walker" in Portuguese language version.

refsWebsite

Global rank Portuguese rank

75^th place

92^nd place

5,378^th place

1,214^th place

1theguardian.com

12^th place

21^st place

nasa.gov

«DAVID M. WALKER» (PDF). NASA. Consultado em 20 maio 2019

spacefacts.de

Spacefacts David Walker

theguardian.com

«David Walker». The Guardian. Consultado em 20 maio 2019