PRYSIAZHNIUK, DMYTRO, and NATALIIA GUDZENCO. “USING WALNUT SHELLS AS AN ALTERNATIVE ENERGY SOURCE”. Herald of Khmelnytskyi National University. Technical sciences 359, no. 6.2 (December 19, 2025): 370–374. Accessed January 26, 2026. https://heraldts.khmnu.edu.ua/index.php/heraldts/article/view/2352.