YADAV, S.; MISRA, S.; MISHRA, S.; KHANAL, S. P. Variance Estimator Using Tri-mean and Inter Quartile Range of Auxiliary Variable. Nepalese Journal of Statistics, [S. l.], v. 1, p. 83–91, 2017. DOI: 10.3126/njs.v1i0.18819. Disponível em: https://www.nepjol.info/index.php/NJS/article/view/18819. Acesso em: 5 may. 2024.