EXPONENTIAL CHAIN RATIO ESTIMATOR OF FINITE POPULATION MEAN WITH IMPUTATION OF MISSING DATA UNDER TWO-PHASE SAMPLING. Advances and Applications in Statistics , [S. l.], v. 91, n. 9, p. 1113–1135, 2024. DOI: 10.17654/0972361724059. Disponível em: https://pphmjopenaccess.com/aas/article/view/1957. Acesso em: 5 jan. 2026.