TY CONF TI ANALYSIS OF METHODS OF MODIFICATION OF PLYWOOD KW plywood KW modification KW improvements KW strength indicators KW formaldehyde KW efficiency JO TECHNOLOGIES IN BIOECONOMICS: INNOVATIONS AND CHALLENGES IN THE 21ST CENTURY AU Tomenko, D.K. PY 2025 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov