Abilova, Guzel, AbilkаrіmAmir, and Galiya Irmukhametova. 2019. “Preparation and Characterization of Thermally Crosslinked Films Based on Chitosan and Poly(2-Ethyl-2-Oxasoline)”. Chemical Bulletin of Kazakh National University 94 (3), 20-27. https://doi.org/https://doi.org/10.15328/cb1085.