Pham, X. D., Nguyen, T. K., Tran, T. T., & Vu, A. T. (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, 20-26. https://jst.vn/index.php/old/article/view/651