Bo, Y. J., Khutoryanskiy, V. V., Kan, V. A., Gabdulina, Y. R., Mun, G. A., & Nurkeeva, Z. S. (2001). Interaction of Chitosan with Hydrogel of Poly(Acrylic Acid) and Preparation of Encapsulated Drugs. Eurasian Chemico-Technological Journal, 3(3), 191–194. https://doi.org/10.18321/ectj565