1. Improved ratio and product estimators;Bandopadhyaya;Sankhyā, Series C,1980
2. Ranked set sampling for the product estimator;Bouza;Investigación Operacional,2008
3. A family of ratio estimators of the mean containing primals and duals for simple random sampling with replacement and ranked set sampling designs;Bouza;Journal of Basic and Applied Research International,2015
4. An efficient class of double sampling dual to ratio estimators of population mean in sample surveys;Chanu;International Journal of Statistics & Economics,2014
5. Improved class of ratio-cum-product estimators of finite population mean in two phase sampling;Chanu;Global Journal of Science Frontier Research,2014