共 50 条
- [1] Determining sample size [J]. JOURNAL OF THE AMERICAN STATISTICAL ASSOCIATION, 1944, 39 (228) : 497 - 506
- [6] Determining the sample size in a clinical trial [J]. MEDICAL JOURNAL OF AUSTRALIA, 2002, 177 (05) : 256 - 257
- [7] STRATEGY FOR DETERMINING SAMPLE SIZE IN BEHAVIORAL RESEARCH [J]. PSYCHOLOGIA AFRICANA, 1974, 15 (02): : 81 - 88