مصادر المهمة الثانية:
http://www.padsystem.com/en/contact_us
https://www.facebook.com/PADSystemInternational/
http://www.achievasolutions.ca/padsystem.htm
https://www.artemide.com/en/subfamily/1759456/pad-system
https://fashion-incubator.com/cad_pad_or_tukatech/