DETERMINING SAMPLE SIZE FOR RESEARCH ACTIVITIES
DETERMINING SAMPLE SIZE FOR RESEARCH ACTIVITIES
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DOI:
10.1177/001316447003000308
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发表时间:
1970-01-01
影响因子:
2.7
通讯作者:
MORGAN, DW
中科院分区:
文献类型:
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作者:
KREJCIE, RV;MORGAN, DW