SINGH, G. N.; KHETAN, M.; MAURYA, S. Some Efficient Estimation Procedures under Non-Response in Two-Occasion Successive Sampling. Statistica, [S. l.], v. 74, n. 3, p. 295–313, 2014. DOI: 10.6092/issn.1973-2201/5306. Disponível em: https://rivista-statistica.unibo.it/article/view/5306. Acesso em: 1 feb. 2023.