Effects of electronic module intervention on teachers’ knowledge, beliefs and practices in drug abuse prevention among Balikpapan high school students, Indonesia

In spite of the widely campaign against drugs has been conducted, the problem of drug abuse stays at a very bothering level. In 2017, the number of drug abusers in Indonesia was 3,367,154 people or 1.77% of the population age 10-59 years, where East Kalimantan was ranked third out of 34 provinces...

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