[1]
“An Efficient Class of Dual to Product-Cum- Dual to Ratio Estimators of Finite Population Mean in Sample Surveys”, GJSFR, vol. 12, no. F3, pp. 25–33, Apr. 2012, Accessed: Aug. 12, 2026. [Online]. Available: https://journalofscience.org/index.php/GJSFR/article/view/604