TASIĆ, A.; SREDOVIĆ IGNJATOVIĆ, I.; IGNJATOVIĆ, L.; ANĐELKOVIĆ, I.; ANTIĆ, M.; RAJAKOVIC, L. Investigation of different extraction procedures for the determination of major and trace elements in coal by ICP-AES and ion chromatography. Journal of the Serbian Chemical Society, Belgrade, Serbia, v. 81, n. 4, p. 403–417, 2016. DOI: 10.2298/JSC150429078T. Disponível em: https://www.shd-pub.org.rs/index.php/JSCS/article/view/427. Acesso em: 8 may. 2024.