Simanjuntak MFE, Sianipar OBP. Penyuluhan Bahaya Narkoba di SMA Bersama Berastagi . Jurnal Pengabdian Masyarakat Bangsa [Internet]. 2025 Jul. 17 [cited 2026 Aug. 18];3(5):2171-7. Available from: https://jurnalpengabdianmasyarakatbangsa.com/index.php/jpmba/article/view/2687