Nguyen M, Pham O, Huynh H, Le V. Synthesis of nano Co1-xNixFe2O4 by sol-gel method and its properties. Science and Technology Development Journal [Internet]. 30Sep.2016 [cited 23Jul.2024];19(3):123-8. Available from: http://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/585