- Tallinn University of Technology Tallinna Tehnikaülikool Tallinn (Estonia)
- Surabaya State University Universitas Negeri Surabaya Surabaya (Indonesia)
- Sultan Qaboos University جامعة السلطان قابوس Muscat (Oman)
- Sriwijaya University Universitas Sriwijaya Palembang (Indonesia)
- Semarang State University Universitas Negeri Semarang Semarang (Indonesia)
- Sebelas Maret University Universitas Sebelas Maret Surakarta (Indonesia)
- Ruhr-University Bochum Ruhr-Universität Bochum Bochum (Germany)
- Redeemer's University Ede (Nigeria)
- Polytechnic of Porto Instituto Politécnico do Porto Porto (Portugal)
- Petra Christian University Universitas Kristen Petra Surabaya (Indonesia)