Ashutosh, B. B. . Khare, and S. . Khare. “GENERALIZED SYNTHETIC ESTIMATOR FOR DOMAIN MEAN IN TWO PHASE SAMPLING USING SINGLE AUXILIARY CHARACTER”. Journal of Reliability and Statistical Studies, vol. 12, no. 02, Dec. 2019, pp. 139-51, doi:10.13052/jrss2229-5666.12211.