1. Universiti Teknologi MARA (UiTM),College of Engineering,Shah Alam,Malaysia
2. Universiti Teknologi MARA (UiTM),Microwave Research Institute (MRI),Shah Alam,Malaysia
3. Universiti Teknologi MAKA (UiTM),Microwave Research Institute (MRI),Shah Alam,Malaysia
4. JWC Roastery Sdn Bhd,JWC Coffee Roastery,Puchong,Malaysia
5. Allameh Tabataba’i University,Mathematics & Computers,Faculty of Statistics,Tehran,Islamic Republic of Iran
6. Universiti Teknologi MARA (UiTM),Fakulti Pengurusan Hotel dan Pelancongan,Permatang Pauh,Malaysia
7. Microwave Research Institute Universiti Teknologi MARA (UiTM),Shah Alam,Malaysia