Abilova, G., AbilkаrіmA. and Irmukhametova, G. 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 (Sep. 2019), 20-27. DOI:https://doi.org/https://doi.org/10.15328/cb1085.