UTAMI, M.; ABDUSHSHOBIR, M. F.; TANTI, T. Identification of 11-nor-δ 9-tetrahydrocannabinoL-9-carboxylic acid (THC-COOH) in Urine Samples using Gas Chromatography-Mass Spectrometry (GC-MS) Instrument. INDONESIAN JOURNAL OF CHEMICAL RESEARCH, [S. l.], v. 9, n. 2, 2024. DOI: 10.20885/ijcr.vol9.iss2.art5. Disponível em: https://journal.uii.ac.id/chemical/article/view/36145. Acesso em: 12 feb. 2026.