Yotov N, Savov V, Petrin S, Valchev I, Karatotev V. STUDY ON POSSIBILITY FOR THE UTILIZATION OF TECHNICAL, HYDROLYSIS, LIGNIN IN COMPOSITION OF MEDIUM DENSITY FIBERBOARD. INNO. 2017;6(2). Accessed April 18, 2026. http://innojs.ltu.bg/index.php/scjournal-inno/article/view/162