Amalia, Riski, Irnawati Irnawati, Nasrudin Nasrudin, Sahidin Sahidin, Henny Kasmawati, and Ari Sartinah. “Validation of Patchouli Oil Alcohol Content Analysis Method Using Gas Chromatography-Tandem Mass Spectrometry (GC-MS MS)”. Indonesian Journal of Global Health Research 8, no. 5 (October 1, 2026): 1175–1182. Accessed October 2, 2026. https://jurnal2.globalhealthsciencegroup.com/index.php/IJGHR/article/view/2125.