SYRGABEK, Y.; IBRAIMOV, A.; MAMEDOVA, M. .; ASHIMULY, K. .; ALIMZHANOVA, M.; YEGEMOVA, S.; BATYRBEKOVA, S. . Miniaturized solid-phase microextraction of caffeine in tea samples: assessing the environmental friendliness of the methods with the GAPI tool. International Journal of Biology and Chemistry, [S. l.], v. 16, n. 1, p. 68–77, 2023. DOI: 10.26577/ijbch.2023.v16.i1.07. Disponível em: https://ijbch.kaznu.kz/index.php/kaznu/article/view/721. Acesso em: 9 may. 2024.