1. Alvarez, V., Dias, L., Ribeiro Jr, E., Souza, R. d., & Fonseca, C. d. (2001). Métodos de análises de enxofre em solos e plantas: Editora UFV Viçosa.
2. Soro de leite: Tecnologias para o processamento de coprodutos;Alves;Revista do Instituto de Laticínios Cândido Tostes,2014
3. American Dairy Products Institute. (2018). Whey Protein Concentrate (WPC) Standard. Retrieved from: https://www.adpi.org/Portals/0/Standards/WPCStandard_book.pdf. Accessed October 20 2019.
4. Official methods of Analysis of the Association of Official Analytical Chemists;Association of Official Analytical Chemists,2012
5. Concentration and purification of whey proteins by ultrafiltration;Baldasso;Desalination,2011