Deliyska, Boriana, Adelina Ivanova, Nikolay Nikolov, and Radostina Popova-Terziyska. “INFORMATION MODELLING OF SUSTAINABLE BIOENERGY AND BIOFUEL PRODUCTION”. Innovation in Woodworking Industry and Engineering design 13, no. 2 (December 16, 2024). Accessed April 14, 2026. http://innojs.ltu.bg/index.php/scjournal-inno/article/view/311.