Nga, Tran Thi Viet, Tong Minh Thang, student, To Thanh Loan, proffesor, & Nguyen Thanh Phuong. " Synthesis and Characterization of ZnO/NiFe2O4 Materials." VNU Journal of Science: Mathematics - Physics [Online], (0): n. pag. Web. 4 Jun. 2026