TEAM, S. A New Ratio Estimator for Population total in the Presence of Nonresponse under Unequal Probability Sampling without Replacement: Chugiat Ponkaew, Nuanpan Lawson. Thai Journal of Mathematics, [S. l.], p. 417–429, 2018. Disponível em: https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/750. Acesso em: 27 apr. 2024.