T. Tran Thi Thu, H. Nguyen Thi, B. Nguyen Van, và X. Le Thi Thanh, “Self-reported social support at works among nurses and associated factors. Results from a cross-sectional study in a provincial hospital in 2020”., JHDS, vol 5, số p.h 04, tr 18–28, tháng 7 2021, doi: 10.38148/JHDS.0504SKPT20-097.