Syrgabek, Y., Ibraimov, A., Mamedova, M. ., Ashimuly, K. ., Alimzhanova, M., Yegemova, S. and Batyrbekova, S. . (2023) “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, 16(1), pp. 68–77. doi: 10.26577/ijbch.2023.v16.i1.07.