Thinh, Pham Hoai, 		Duy, Vu, AND 		Duc, Do Tran.
" NER - VLSP 2021: A Span-Based Model for Named Entity Recognition Task with Co-teaching+ Training Strategy" <em>VNU Journal of Science: Computer Science and Communication Engineering</em> [Online], Volume 38 Number 1 (30 June 2022)