John Playfair (Polish Wikipedia)

Analysis of information sources in references of the Wikipedia article "John Playfair" in Polish language version.

refsWebsite

Global rank Polish rank

1st-andrews.ac.uk

1,547^th place

794^th place

1britannica.com

40^th place

23^rd place

britannica.com

John Playfair, [w:] Encyclopædia Britannica [dostęp 2020-03-12] (ang.).

st-andrews.ac.uk

mathshistory.st-andrews.ac.uk

John Playfair. [w:] MacTutor History of Mathematics archive [on-line]. [dostęp 2020-03-12]. (ang.).