“QUALITY CHARACTERISTICS OF DOUGLAS FIR STEMS (Pseudotsuga menziesii) FOR THE PRODUCTION OF MASSIVE WOOD MATERIALS” (2026) Innovation in Woodworking Industry and Engineering design, 7(1). Available at: http://innojs.ltu.bg/index.php/scjournal-inno/article/view/223 (Accessed: 25 February 2026).