Made known to cause drug not disappear from the drug trade and Rai both geospatial entities. And keeping in mind the various factors of drugs in Chiang Rai.
To understand why the drug did not disappear from Chiang Rai in geography. Drug developers and Government agencies and make it aware of the various factors of drug abuse in province of Chiang Rai.
to know the cause of illegal drugs are not out of Chiang Rai, The geography, trade and government agencies, and to Jacob, to understand the various factors of drug in Chiang Rai.