Lwanga S.K & Lemeshow S. (1991). Sample Size determination in health studies: A practical manual. WHO.
Chicagoスタイル(17版)引用形式Lwanga S.K , Lemeshow S. Sample Size Determination in Health Studies: A Practical Manual. England: WHO, 1991.
MLA(9版)引用形式Lwanga S.K , Lemeshow S. Sample Size Determination in Health Studies: A Practical Manual. WHO, 1991.
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