Muppavarapu Anusha, Bijapuri Srivastava, Seelam Shyam, and Prudhvi Raj V. “A Review on Hydrogel: Preparation, Characterization, and Applications”. Future Journal of Pharmaceuticals and Health Sciences, vol. 2, no. 3, June 2022, pp. 139-4, doi:10.26452/fjphs.v2i3.273.