New Product-Type and Ratio-Type Exponential Estimators of the Population Mean Using Auxiliary Information in Sample Surveys. Journal of Statistics, [S. l.], v. 23, 2016. DOI: 10.65463/jstat.2016.56. Disponível em: https://jstat.gcu.edu.pk/index.php/jstat/article/view/56. Acesso em: 12 aug. 2026.