428 BC (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "428 BC" in English language version.

Last modified: 21:26:45, 25 April 2023 (UTC)

Ref.Un. Ref.Website

Global rank English rank

11books.google.com

3^rd place

3^rd place

books.google.com (Global: 3^rd place; English: 3^rd place)

Suzuki, Jeff (2009). Mathematics in Historical Context. MAA. p. 24. ISBN 9780883855706.