ZIELIŃSKI, W. Comparison of confidence intervals for fraction in finite populations. Metody Ilościowe w Badaniach Ekonomicznych, [S. l.], v. 12, n. 1, p. 177–182, 2011. Disponível em: https://qme.sggw.edu.pl/article/view/3107. Acesso em: 19 lip. 2024.