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Salim S, Aruan DGR. IDENTIFIKASI AMFETAMIN PADA URINE SOPIR ANGKOT DI PAJAK HORAS PEMATANGSIANTAR. JALM [Internet]. 2023 Jun. 14 [cited 2024 Sep. 19];8(1):89-93. Available from: http://114.7.97.221/index.php/ALM/article/view/3989