Zokaei, M., Sepehri, M., Rezvani, M. and Zarei, A. (2018) “Comparison of the concentration of heavy metals in some vegetables (celery, broccoli and lettuce)”, Amazonia Investiga, 7(16), pp. 324–334. Available at: https://amazoniainvestiga.info/index.php/amazonia/article/view/415 (Accessed: 3 July 2024).