[1]
M. Fazal-ur-Rehman, I. Qayyum, and D. Manzar Zahra, “Isolation of natural caffeine from liptonâ„¢ black tea through acid-base liquid-liquid extraction approach, its medical significance and its characterization by thin layer chromatography and IR analysis”, IJAC, vol. 9, no. 1, pp. 29–33, Mar. 2021, doi: 10.14419/ijac.v9i1.31458.