NIRUPAMA SAHOO; SANANDA KUMAR JHANKAR. Improved Ratio-type Exponential Estimator for Estimating Population Mean in Ranked Set Sampling. Journal of the Indian Society of Agricultural Statistics, New Delhi, India, v. 78, n. 02, p. 135–141, 2025. DOI: 10.56093/jisas.v78i02.171360. Disponível em: https://epubs.icar.org.in/index.php/JISAS/article/view/171360. Acesso em: 28 jun. 2026.