Ezeofor, Nebechi, and Ezeofor. “Assessment of Caffeine Content in Some Energy Drink Sold in Ekwulobia”. International Journal of Basic and Applied Science 11, no. 3 (December 31, 2022): 132–137. Accessed May 28, 2023. https://ijobas.pelnus.ac.id/index.php/ijobas/article/view/130.