BHUSHAN, S. B.; KUMAR, A. K.; KUMAR, S. Efficient Class of Estimators of Population Mean under Double Sampling. Thailand Statistician, [S. l.], v. 21, n. 3, p. 498–509, 2023. Disponível em: https://ph02.tci-thaijo.org/index.php/thaistat/article/view/250056. Acesso em: 16 sep. 2026.