ซองดังเลขลับเฉพาะกองสลาก2/5/62
The registration process for any camp is always a complex process. Even if it is just a summer camp for students, you may have to get in touch with hundreds of students, and hand out registration forms to them.
from: http://ezinearticles.com/?Take-The-Hassles-Out-Of-Camp-Registration-Process---Heres-How&id=5639554
