안전모 (Korean Wikipedia)

Analysis of information sources in references of the Wikipedia article "안전모" in Korean language version.

refsWebsite

Global rank Korean rank

1nridigital.com

low place

low place

1smithsonianmag.com

503^rd place

897^th place

nridigital.com

mine.nridigital.com

“Metamorphoses of the mining helmet”. 《Mine》 (Net Resources International). 2023년 10월.

smithsonianmag.com

Kindy, David (2020년 2월 21일). “The History of the Hard Hat”. 《Smithsonian Magazine》. 2024년 4월 28일에 확인함.