CANCINO, J. Determining sample size in randomized branch sampling with selection without replacement during the first stage. Bosque (Valdivia), [S. l.], v. 26, n. 1, p. 65–75, 2005. DOI: 10.4067/s0717-92002005000100007. Disponível em: http://146.83.217.169/index.php/bosque/article/view/5654. Acesso em: 17 sep. 2026.