SINGH, P.; SINGH, A. K.; SINGH, V. K. On the Adjustment of Non-Response through Imputation for Estimating Current Mean in Repeated Surveys. Statistica, [S. l.], v. 78, n. 3, p. 215–232, 2018. DOI: 10.6092/issn.1973-2201/6930. Disponível em: https://rivista-statistica.unibo.it/article/view/6930. Acesso em: 6 feb. 2023.