TIWARI, N. .; CHILWAL, A. . EMPIRICAL COMPARISON OF VARIOUS APPROXIMATE ESTIMATORS OF THE VARIANCE OF HORVITZ THOMPSON ESTIMATOR UNDER SPLIT METHOD OF SAMPLING. Journal of Reliability and Statistical Studies, [S. l.], v. 7, n. 01, p. 51–60, 2014. Disponível em: https://journals.riverpublishers.com/index.php/JRSS/article/view/21317. Acesso em: 14 may. 2026.