FOMIN, Vitaliy N.; AYNABAYEV, Assanali A.; ALDABERGENOVA, Saule K.; KAYKENOV, Dauletkhan A.; TUROVETS, Milana A. Classification Analysis of Bituminous Coals Using a Combination of GC-MS and Chemometric Methods. EURASIAN JOURNAL OF CHEMISTRY, [S. l.], v. 31, n. 2(122), p. 65–76, 2026. DOI: 10.31489/2959-0663/2-26-6. Disponível em: https://ejc.buketov.edu.kz/ejc/article/view/670. Acesso em: 6 jul. 2026.