1. Global University of Lifelong Learning, USA.
http://www.gullonline.org; www.lifelong-edu.blogspot.com
2. World Certification Institute, USA.
http://www.worldcertification.org
3. The Society of Professional Engineers, UK.
http://www.professionalengineers-uk.org
4. Design, Technology and Management Society International, South Africa.
http://www.dtmsi.org
http://www.gullonline.org; www.lifelong-edu.blogspot.com
2. World Certification Institute, USA.
http://www.worldcertification.org
3. The Society of Professional Engineers, UK.
http://www.professionalengineers-uk.org
4. Design, Technology and Management Society International, South Africa.
http://www.dtmsi.org