Mihajlova J, Evstatiev T. METHODS FOR ASSESSMENT OF SUPPLIERS OF RAW MATERIALS AND MATERIALS (UREA-FORMALDEHYDE RESIN). INNO [Internet]. 2015 Dec. 20 [cited 2026 Apr. 18];4(2). Available from: http://innojs.ltu.bg/index.php/scjournal-inno/article/view/144