Luong Huynh Vu Thanh, Tran Nguyen Phuong Lan, Tran Thi Bich Quyen, Ha Quoc Nam, Le Phuoc Bao Tho. Synthesis and Characterization of Fe3O4@SiO2 Sub-Nano core/Shell With SiO2 Derived from Rice Husk Ash. UD-JST 2020, 18, 52-56.