Hussain, Mumtaz, Shariza Sahudin, and Wan Shazwana Jannah Wan Abdullah. 2019. “Enzymatic Degradation: Effects of Degradation Time on the Physical Characteristics and Water Solubility Properties of Chitosan”. International Pharmacy Acta 2 (1):2e11:1-6. https://doi.org/10.22037/ipa.v2i1.29055.