TY  - JOUR
AN  - 063171609
AU  - Tapan,K.Nayak
PY  - 2003
TI  - Finding optimal estimators in survey sampling using unbiased estimators of zero
JO  - Journal of Statistical Planning and Inference
VL  - 114
IS  - 1-2
SP  - 21
EP  - 30
SN  - 0378-3758
DO  - 10.1016/s0378-3758(02)00460-3
UR  - https://eurekamag.com/research/063/171/063171609.php
ER  -