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This category is for sites related to gaining computer certification. It provides resources for those taking; or thinking of taking these exams.

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Stillaguamish Valley Genealogical Society

http://www.stillygen.org/

👍 0 详情链接

South China Morning Post: Coronavirus

https://www.scmp.com/coronavirus

👍 0 详情链接

South African Government: COVID-19

https://www.gov.za/Coronavirus

👍 0 详情链接

Sensys

http://www.sensys.com/

👍 0 详情链接

Spot On

http://www.spoton.co.uk/

👍 0 详情链接

SpeakAlong from ThingTone Software

http://www.thingtone.net/free/speakalong/

👍 0 详情链接

Spacejock yBook

http://www.spacejock.com/yBook.html

👍 0 详情链接