Mukhopadhyay, G., Khanam, J., Nanda, A., Bala, N. N., & Oh, W. C. (2011). Statistical analysis in enrichment of total whey protein by continuous foam fractionation method. European Journal of Chemistry, 2(4), 519–523. https://doi.org/10.5155/eurjchem.2.4.519-523.483