Luu , X. D., V. T. Nguyen, V. P. Nguyen, P. T. Nguyen, and H. M. Tran. “Studying Digestion Conditions of Vietnamese Monazite With Acid Sulfuric for the Recovery of Rare Earth Elements, Thorium and Uranium”. Nuclear Science and Technology, vol. 8, no. 2, June 2018, pp. 36-42, doi:10.53747/jnst.v8i2.89.