YADAV, S.K.; MISRA, Sheela; MISHRA, S.S.; KHANAL, Shankar Prasad. 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://nepjol.info/index.php/NJS/article/view/18819. Acesso em: 13 apr. 2025.