References
- Chakrabarti , M. C. 1962 . “ Mathematics of Design and Analysis of Experiments ” . New York : Asia Publishing House .
- Cochran , W. G. and Cox , G. M. 1950 . Experimental Designs , New York : John Wiley and Sons .
- Das , K. , Mandal , N. K. and Sinha , B. K. 2003 . Optimal experimental designs with covariates . J. Statist. Plann. Inference , 115 : 273 – 285 .
- Dey , A. and Mukerjee , R. 1999 . Fractional Factorial Plans , New York : John Wiley and Sons .
- Dutta , G. 2004 . Optimum choice of covariates in BIBD set-up . Calcutta Statist. Assoc. Bull. , 55 : 39 – 55 .
- Hedayat , A. S. , Sloane , N. J.A. and Stufken , J. 1999 . Orthogonal Arrays: Theory and Applications , New York : Springer-Verlag .
- Lopes Troya , J. 1982 . Optimal designs for covariate models . J. Statist. Plann. Inference , 6 : 73 – 419 .
- Lopes Troya , J. 1982 . Cyclic designs for a covariate model . J. Statist. Plann. Inference , 7 : 49 – 75 .
- Pukelsheim , F. 1993 . Optimal Design of Experiments , New York : John Wiley and Sons .
- Rao , C. R. 1973 . Linear Statistical Inference and Its Applications , New York : John Wiley and Sons .
- Rao , C. R. 1973 . Some combinatorial problems of arrays and applications to design of experiments , Edited by: Srivastava , J. N. Amsterdam : North-Holand . A Survey of Combinatorial Theory
- Rao , P. S.S.N.V.P. , Rao , S. B. , Saha , G. M. and Sinha , B. K. 2003 . Optimal designs for covariates’ models and mixed orthogonal arrays . Electronic Notes in Discrete Mathematics , 15 : 157 – 160 .