KUPCHUK, IHOR, and OLEXANDER BYSTRYTSKYI. “RESEARCH OF SOLID BIOFUEL PRODUCTION TECHNOLOGY”. Herald of Khmelnytskyi National University. Technical sciences 321, no. 3 (June 29, 2023): 55–59. Accessed January 26, 2026. https://heraldts.khmnu.edu.ua/index.php/heraldts/article/view/708.