Exponential Estimators of Population Mean in Post-Stratified Sampling using Known Value of Some Population Parameters. Global Journal of Science Frontier Research, [S. l.], v. 13, n. 40, p. 1–10, 2013. Disponível em: https://journalofscience.org/index.php/GJSFR/article/view/103239. Acesso em: 25 oct. 2026.