Copyleft (Simple English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Copyleft" in Simple English language version.

refsWebsite

Global rank Simple English rank

1,475^th place

933^rd place

1opensource.com

low place

8,231^st place

gnu.org

"What is Copyleft?". GNU Operating System. Retrieved 31 May 2019.

opensource.com

Cotton, Ben (12 August 2016). "What is copyleft?". Opensource.com. Retrieved 31 May 2019.