Raju Kumar, Ankur Biswas, Deepak Singh. Estimation of Ratio in Finite Population using Calibration Approach under Different Calibrated Weights Systems. JISAS [Internet]. 2025 Sep. 4 [cited 2026 Jun. 28];77(02):225-32. Available from: https://epubs.icar.org.in/index.php/JISAS/article/view/171445