Historical record from the center’s original website. English translation; switch to Thai for the original. Source images and PDFs retain their original language.
Seminar materials can be downloaded at https://drive.google.com/file/d/0ByiugRGLHGWkLXJLdW15OXVLd3c
Share your comments to help develop future contractor registration criteria at https://www.surveymonkey.com/r/YPRF7RX
