Housila P. Singh, Surya K. Pal. A New Chain Ratio-Ratio-Type Exponential Estimator Using Auxiliary Information in Sample Surveys. Int. J. Math. And Appl. [Internet]. 2015 Dec. 10 [cited 2024 Jul. 3];3(4 - B):37-46. Available from: https://ijmaa.in/index.php/ijmaa/article/view/495