References
- Chakrabarti , M. C. 1970 . “ Mathematics of Design and Analysis of Experiments ” . Asia Publishing House .
- Clatworthy , W. H. 1973 . “ Tables of Two-Associate Partially Balanced Designs ” . Washington : National Bureau of Standards .
- Sinha , K. 1987 . A Method of Construction of Regular Group Divisible Designs . Biametrika , 74 : 443 – 4 .