1. Allen, R.G.D.(1958) Statistics for Economics, London: Allen & Unwin.
2. Agarwal, J.C. (1989) Educational Research – An Introduction, New Delhi: Arya Book Depot.
3. Anderson T.W. An Introduction to Multivariate Statistical Analysis, New Delhi: Wiley Eastern Publication Ltd.
4. Bernad Oste and Mensing R.W. (1975) Statistics in Research Ames: The Lowa State University Press.
5. Best John W. and Kahn, James V. (2006) Research in Education, NEW Delhi: Prentice Hall of India.
6. Best, J.W. (1989) Research in Education, New Delhi, Prentice Hall of India.
7. Bose, Pradip Kumar (1995) Research Methodology, New Delhi:ICSSR
8. Braun, Robert, Introduction to Instrumental analysis; Mc.Graw Hill.
9. Burns, Robert B.(2000) Introduction to Research Methods, New Delhi; Sage publications.
10. Campbell, R. C. (1989) Statistics for Biologist, Cambridge University Press.
11. Chandra, S.S. and Sharma, R.K., Research in Education, New Delhi: Atlantis Publishers.
12. Hagood, M.J. and Price, D.O., Theory of sampling.
13. Mahalanobis, P.G., Experiments in Statistical sampling, Calcutta: ISI.
14. Maron, J.Melvin, Numerical Analysis a Practical Approach, New York. Macmillion Publishing Co.
15. Peatman, J.G., Descriptive and sampling Statistics.
16. Prakash, S.(2006) Theory of Sampling, Xeroxa: BIMTECH.
17. Reddy, C.R., Research Methodology in social sciences, New Delhi: Daya Publishing House.
18. Ropper, Karl R. (1968) The Logic of Scientific Discovery, London: Hutchinson.
19. Sarvavanavel, P.(2003) Research Methodology, Allahabad; Kitab Mahal.
20. Shanlla K.R. (2002) Research Methodology, New Delhi: National Publishing House.
21. Weatherburu, C.E.A. (1946) A first course in Mathematical Statistics, Cambridge
22. Young, P.V., (1988) Scientific Social Surveys & Research, New Delhi: Prentice Hall of India.
23. Yule, G.V. and Kendall, M.G., An Introduction to the theory of statistics.
24. Hamming Richard, Numerical Methods for Scientists and Engineers.