Sinais de mais e menos (Portuguese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Sinais de mais e menos" in Portuguese language version.

refsWebsite

Global rank Portuguese rank

1findarticles.com

424^th place

461^st place

549^th place

325^th place

1books.google.com

3^rd place

6^th place

books.google.com

PICCIOTTO, Henri. The Algebra Lab. [S.l.]: Creative Publications. p. 9. ISBN 9780884889649

findarticles.com

STALLINGS, Lynn (Maio de 2000). «A brief history of algebraic notation». School Science and Mathematics. Consultado em 13 de Abril de 2009

tripod.com

jeff560.tripod.com

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