S. Rabiu and M. G. Abubakar, “Potential Health Risk Assessment of Heavy Metals via Consumption of Green, Black and Herbal Tea Marketed in Northwestern Nigeria”, Direct Res. J. Public Health and Environ. Technol., vol. 10, no. 3, pp. 1–11, Aug. 2025, Accessed: Jul. 21, 2026. [Online]. Available: https://journals.directresearchpublisher.org/index.php/drjphet/article/view/358