cK-12.org
Trigger: !ck12
Try it
URL pattern: https://www.ck12.org/search/?q=query&referrer=top_nav&autoComplete=false
Searches www.ck12.org, filed under Reference.
Trigger: !ck12
URL pattern: https://www.ck12.org/search/?q=query&referrer=top_nav&autoComplete=false
Searches www.ck12.org, filed under Reference.