Man, Nguyen Khac, 		Duc Hoa, Nguyen, AND 		Thanh Nhan, Duong Thi.
" Improvement of Critical Current Density in Bi-2223 Superconductor by Ag-Doping" <em>VNU Journal of Science: Mathematics - Physics</em> [Online], Volume 35 Number 4 (17 December 2019)