[1]
Chaudhary, M.K., Kumar, A. and Vishwakarma, G.K. 2021. Some Improved Estimators of Population Mean using Two-Phase Sampling Scheme in the Presence of Non-Response. Pakistan Journal of Statistics and Operation Research. 17, 4 (Dec. 2021), 911-919. DOI:https://doi.org/10.18187/pjsor.v17i4.2505.