RAJU KUMAR; ANKUR BISWAS; DEEPAK SINGH. Estimation of Ratio in Finite Population using Calibration Approach under Different Calibrated Weights Systems. Journal of the Indian Society of Agricultural Statistics, New Delhi, India, v. 77, n. 02, p. 225–232, 2025. DOI: 10.56093/jisas.v77i02.171445. Disponível em: https://epubs.icar.org.in/index.php/JISAS/article/view/171445. Acesso em: 28 jun. 2026.