KUSMIYATI, M.; TRINOVANI , E.; SUDARYAT , Y.; BAKHTIAR , D. Qualitative Examination Of Amfetamine And Ephedrine In Urine In Doping Using Gas Chromatography-Mass Spectrometry Method. Jurnal EduHealth, [S. l.], v. 13, n. 02, p. 662–667, 2022. Disponível em: https://ejournal.seaninstitute.or.id/index.php/healt/article/view/754. Acesso em: 18 apr. 2026.