ISNAINI, N. Validation of the Method for Determining Caffeine Content in Green Tea with FTIR UATR . INDONESIAN JOURNAL OF CHEMICAL RESEARCH, [S. l.], v. 9, n. 2, 2024. DOI: 10.20885/ijcr.vol9.iss2.art6. Disponível em: https://journal.uii.ac.id/chemical/article/view/36464. Acesso em: 3 feb. 2026.