Sample size determination in health studies : a practical manual /
Lwanga, S. K
Sample size determination in health studies : a practical manual / S.K Lwanga and Lemeshow S. - Geneva : World Health Organization, 1991. - Viii, 80 p. : ill. ; 30 cm.
Sample Studies
Health surveys.
Sample size determination in health studies : a practical manual / S.K Lwanga and Lemeshow S. - Geneva : World Health Organization, 1991. - Viii, 80 p. : ill. ; 30 cm.
Sample Studies
Health surveys.