[1]
R. Amalia, I. Irnawati, N. Nasrudin, S. Sahidin, H. Kasmawati, and A. Sartinah, “Validation of Patchouli Oil Alcohol Content Analysis Method Using Gas Chromatography-Tandem Mass Spectrometry (GC-MS/MS)”, IJGHR, vol. 8, no. 5, pp. 1175–1182, Oct. 2026.