TIWARI, N.; CHILWAL, A. A Simplified Selection Scheme for Unequal Probability Sampling Without Replacement. Thailand Statistician, [S. l.], v. 11, n. 2, p. 133–141, 2015. Disponível em: https://ph02.tci-thaijo.org/index.php/thaistat/article/view/34209. Acesso em: 3 may. 2024.