N. Yotov, V. Savov, S. Petrin, I. Valchev, and V. Karatotev, “STUDY ON POSSIBILITY FOR THE UTILIZATION OF TECHNICAL, HYDROLYSIS, LIGNIN IN COMPOSITION OF MEDIUM DENSITY FIBERBOARD”, INNO, vol. 6, no. 2, Dec. 2017, Accessed: Apr. 18, 2026. [Online]. Available: http://innojs.ltu.bg/index.php/scjournal-inno/article/view/162