Influence of Cardboard Pretreatment on the Determination of Starch Content by the Enzymatic Method Journal title: Lesnoy Zhurnal (Russian Forestry Journal) Authors: Igor A. Khadyko, Senior Lecturer; ResearcherID: N-1537-2017, ORCID: https://orcid.org/0000-0001-7128... Subject(s): Technology, Forestry