“Application of Adsorbents Based on LaFe1-XMnxO3 Perovskites to Treat As, Pb in Contaminated Groundwater in the Craft Village”. Vietnam Journal of Catalysis and Adsorption, vol. 10, no. 1S, Jan. 2022, pp. 218-23, https://doi.org/10.51316/jca.2021.126.