Pham, X. D. et al. (2019) “Study on the process of Determination of Cadmium and Lead in Some Vegetables in Lam Thao - PhuTho by F-AAS Method”, Old Journal, (134A), pp. 20–26. Available at: https://jst.vn/index.php/old/article/view/651 (Accessed: 2 August 2025).