Abu Bakar Ruzilawati, and Halijah Miran. “VALIDATED HIGH PERFORMANCE LIQUID CHROMATOGRAPHY (HPLC) METHOD FOR ANALYSIS OF METHAMPHETAMINE IN HUMAN URINE USING LIQUID-LIQUID EXTRACTION”. Asian Journal of Pharmaceutical and Clinical Research 8, no. 2 (March 1, 2015): 199–201. Accessed February 2, 2025. https://innovareacademics.in/journals/index.php/ajpcr/article/view/4009.