חגורה שחורה (Hebrew Wikipedia)

Analysis of information sources in references of the Wikipedia article "חגורה שחורה" in Hebrew language version.

refsWebsite

Global rank Hebrew rank

low place

low place

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4,270^th place

1groundstandard.com

low place

low place

groundstandard.com

The Origin of the Black Belt in Martial Arts, www.groundstandard.com, ‏2023-09-01 (באנגלית)

isixsigma.com

History of the Six Sigma Black Belt Naming Convention, isixsigma.com, ‏20 במרץ 2010

judoinfo.com

The Judo Rank System - Belts