The King of Siam Crown Royal suda Rattana Thep Kumari is Chairman of the open international conference for rehabilitation engineering and assistive technologies for people with disabilities. 8 times at the Republic of Singapore
HRH Princess Maha Chakri Sirindhorn's. CSR He was president of the International Symposium. Rehabilitation engineering and technology facilities for the disabled at the 8th Singapore.
Sirindhorn. He is chairman of open international academic conference. Rehabilitation engineering and assistive technology for people with disabilities, the 8 at Republic of Singapore.