1. Chaudhuri, A. and Adhikari, A. K. (1979). Improving on the efficiencies of standard sampling strategies through variate transformations in estimators for finite population means, Tech. Report, ISI Calcutta.
2. Cochran, W. G. (1977). Sampling Techniques, Third Edition, Wiley Eastern Limited, New Delhi, India.
3. Mohanty, S. and Das, M. N. (1971). Use of transformation in sampling, J. Ind. Soc. Agr. Stat., 23(2), 83–87.
4. Mohanty, S. and Sahoo, J. (1995). A note on improving the ratio method of estimators through linear transformation using certain known population parameters, Sankhya B, 57(1), 93–102.
5. Panse, V. G. and Sukhatme, P. V. (1967). Statistical Methods for Agricultural Workers, Indian Council of Agricultural Research, New Delhi, India.