This research is a survey (Survey Research) to study the cognitive subject. Drugs
, and behaviors to protect themselves from drugs. Of the population in the city Ratchaburi The
findings used as a guide to the relevant people know the benefits and ways to prevent the use of drug
addiction in Ratchaburi and drug prevention to youth at risk by the researchers determine how the
Black Hills. the research follows
1) population and sample
2) were used in the research,
3) data collection.
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