A. B. Juanssilfero, J. Md. Jahim, F. A. Abdul Mutalib, W. Z. Wan Zulkifli, F. D. Abu Bakar, and O. Hassan, “Characterization of Copolymer Dehypon® LS 54 and Its Application for Aqueous Two-Phase Systems Paired with the Waxy Maize Starch for Protein Extraction”, Int. J. Adv. Sci. Eng. Inf. Technol., vol. 1, no. 1, pp. 65–71, Feb. 2011.