PANCHUK, MYROSLAV. 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), 2025. Disponível em: https://nge.nung.edu.ua/index.php/nge/article/view/792. Acesso em: 19 dec. 2025.