Linh, Han, 		Anh, Cao, 		Viet, Cao, 		Phong, Le, AND 		Hoan, Nguyen.
" Preparation of the Magnetic Composite Materials Fe3O4/ Hydroxyapatite and Its Application for Removal of 2,4-D and Chrysoidine Crystal" <em>VNU Journal of Science: Natural Sciences and Technology</em> [Online], Volume 37 Number 1 (30 March 2021)