Thang, Dao, 		Thao, Du, 		Oanh, Le, AND 		Minh, Nguyen.
" Effect of Neodymium and Transition Metals Co-doped on Structural, Optical and Magnetic Properties of BiFeO3 Materials" <em>VNU Journal of Science: Mathematics - Physics</em> [Online], Volume 31 Number 3 (15 September 2015)