JADOON, S.; AMIN, A. A.; MAHMOOD, H. K.; HAMOODI, D. A.; SABIR, M. F. M. Determination of Trace Metals in Crude Oils by Atomic Absorption Spectrophotometry in Khurmala and Guwayar Oil Fields of Kurdistan Region, Iraq. American Scientific Research Journal for Engineering, Technology, and Sciences, [S. l.], v. 20, n. 1, p. 213–223, 2016. Disponível em: https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/1612. Acesso em: 20 jun. 2024.