اردویسین (Persian Wikipedia)

Analysis of information sources in references of the Wikipedia article "اردویسین" in Persian language version.

refsWebsite

Global rank Persian rank

2stratigraphy.org

2,562^nd place

4,606^th place

stratigraphy.org

http://www.stratigraphy.org/index.php/ics-chart-timescale
Gradstein, Felix M.; Ogg, J. G.; Smith, A. G. (2004). A Geologic Time Scale 2004 (PDF) (به انگلیسی). Cambridge University Press.