TAWFIQ, S.; سهام; MAJEED KHURSHEED, A.; عبد; KHALIL ABDULLA, T.; توانا. Determination of vanadium in Natural gas using graphite furnace atomic absorption spectrometry (GFAAS). Journal of Education and Science (JES), [S. l.], v. 26, n. 5, p. 64–74, 2013. DOI: 10.33899/edusj.2013.163056. Disponível em: https://rjps.uomosul.edu.iq/index.php/edusj/article/view/17187. Acesso em: 4 aug. 2025.