BHUSHAN, S.; KUMAR, A. Improved Estimation of Population Mean in Simple Random Sampling Using Attribute. Thailand Statistician, [S. l.], v. 22, n. 2, p. 374–389, 2024. Disponível em: https://ph02.tci-thaijo.org/index.php/thaistat/article/view/253429. Acesso em: 17 sep. 2026.