Panchuk А. М.; Boichuk V. М.; Prysiazhniuk P. М.; Panchuk М. V.; Sheketa V. І. Improvement of methods for researching the elemental composition of biofuels and raw materials for their production. Oil and Gas Power Engineering, [S. l.], n. 2(44), p. 249–260, 2025. DOI: 10.31471/1993-9868-2025-2(44)-249-260. Disponível em: https://www.nge.nung.edu.ua/index.php/nge/article/view/792. Acesso em: 4 feb. 2026.