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Upaya Peningkatan Pemahaman Siswa Tentang Zat Adiktif dan Psikotropika Melalui Layanan Informasi pada Siswa SMK
(Universitas Muhammadiyah Surakarta, 2013-07)
The aim of the research is to know whether there is student’s understanding
increasing about addictive element and psikotropika through information
service for students class XI B SMK Muhammadiyah I Surakarta in ...