SINGH, Satinder Pal; BAHL, Shashi. Estimation of population mean using auxiliary information in stratified sampling on successive occasion using ratio method. Annals of Agricultural Research, India, v. 34, n. 4, 2016. Disponível em: https://epubs.icar.org.in/index.php/AAR/article/view/37895. Acesso em: 27 jun. 2026.