[1]
Chaudhary, M.K. and Kumar, A. 2021. An Improvement in Estimation of Population Mean using Two Auxiliary Variables and Two- Phase Sampling Scheme under Non-Response. Journal of Reliability and Statistical Studies. 13, 02 (Jan. 2021), 349–362. DOI:https://doi.org/10.13052/jrss0974-8024.13247.