References

Akhnazarova, S. and V. Kafarov, 1982. Experiment Optimization in Chemistry and Chemical Engineering. Mir Publication, Moscow.

Anonymous, 1957. Methods of test of soils for civil engineering purposes. BSI Group, London, UK.

Ezeh, J.C., O.M. Ibearugbulem and U.C. Anya, 2010. Optimisation of aggregate composition of laterite-sand hollow block using Scheffe’s Simplex method. Intl. J. Eng., 4: 471-478.

Indiramma, P. and C. Sudharani, 2016. Use of quarry dust for stabilizing expansive soils. Intl. J. Innovative Res. Sci. Eng. Technol., 5: 1151-1157.
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Scheffe, H., 1963. The simplex-centroid design for experiments with mixtures. J. Roy. Stat. Soc., 25: 235-236.
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