Chang, Fouzia, et al. “Synthesis of Metal Organic Framework (MOF-5) Embedded Cryogel Composite and Its Application for the Extraction and Determination of Cholesterol from Milk Samples”. European Journal of Chemistry, vol. 12, no. 1, Mar. 2021, pp. 45-51, doi:10.5155/eurjchem.12.1.45-51.2056.