共 33 条
[2]
[Anonymous], 2020, Determining Sample Size: How to make sure you get the correct sample size
[6]
Coulson N., 2015, Online research methods for psychologists
[8]
Fraser S., 2014, Neonatal, Paediatric and Child Health Nursing, V17, P2, DOI [10.3316/ielapa.035015483409889, DOI 10.3316/IELAPA.035015483409889]
[10]
Horton R, 2020, LANCET, V395, P400, DOI 10.1016/S0140-6736(20)30299-3