JANBANDHU, R.; GARG, N.; TAILOR, R. Chain Ratio Type Exponential Estimator for Finite Population Mean in Double Sampling. Thailand Statistician, [S. l.], v. 21, n. 3, p. 675–690, 2023. Disponível em: https://ph02.tci-thaijo.org/index.php/thaistat/article/view/250073. Acesso em: 27 aug. 2026.