BAIMOLDA D; LENNIK S.G; SHYNGYSOVA SH; DOSYMBEK A. DETERMINATION OF TRACE ELEMENTS IN THE COAL BY X-RAY FLUORESCENCE METHOD. Academics and Science Reviews Materials, [S. l.], n. 2, 2023. Disponível em: https://ojs.scipub.de/index.php/ASCRM/article/view/1004. Acesso em: 12 sep. 2026.