Dao Van Dung 2013. THE STUDY ON RECOVERING TOTAL OXIDES OF RARE EARTH ELEMENTS FROM QUANGTRI MONAZITE ORE BY BASE METHOD. UED Journal of Social Sciences, Humanities and Education. 3, 4 (Dec. 2013), 7-11. DOI:https://doi.org/10.47393/jshe.v3i4.487.