コピーレフト (Japanese Wikipedia)

Analysis of information sources in references of the Wikipedia article "コピーレフト" in Japanese language version.

refsWebsite

Global rank Japanese rank

1,475^th place

1,684^th place

1,115^th place

2,286^th place

1,010^th place

4,166^th place

low place

3,959^th place

2,189^th place

catb.org

“Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)”. Creative Commons. Creative Commons. August 14, 2015閲覧。

Free Software Foundation (2018年1月1日). “What is Copyleft?”. 2018年2月9日閲覧。
GNU Porject (2018年2月10日). “Various Licenses and Comments about Them”. 2018年2月9日閲覧。
Stallman, Richard (21 January 2008). “About the GNU Project”. Free Software Foundation. 23 August 2008閲覧。

“Richard Stallman, Free Software, and Copyleft”. University of California, Santa Barbara. 2018年3月1日閲覧。