• Organisation Name
• Country

• Max Planck School of Photonics
• Germany 

• Hamm-Lippstadt University of Applied Sciences
• Germany 

• Fresenius University of Applied Sciences – Cologne
• Germany 

• Hochschule Fresenius
• Germany 

• WAREM - M.Sc. Water Resources Engineering and Management
• Germany 

• TUCed – An-Institut für Transfer und Weiterbildung GmbH
• Germany 

• EBS Universität für Wirtschaft und Recht
• Germany 

• University of Bonn Institute of Computer Science
• Germany 

• Georg-August-Universität Göttingen Faculty of Humanities
• Germany 

• Department of English and Linguistics JGU Mainz
• Germany 

• LMU
• Germany 

• Hochschule Aalen – Language Center
• Germany 

• Oral Health Professionals Association of Ghana
• Ghana 

• International English Language Teachers Association - Ghana
• Ghana 

• Xtreem Innovations
• Ghana 

• Kibi Presbyterian College of education
• Ghana 

• International Hellenic University-Science & Technology
• Greece

• Deree - The American College of Greece
• Greece

• Ethnic and Kapodistrian University of Athens - Philosophy
• Greece

• IST College - English Language Department
• Greece