B.J HUSSEIN; D.A.AL-MUNNEEM. Calculating The Phosphor Concentration in Water of Tigris by (DNAA) Technique. Ibn AL-Haitham Journal For Pure and Applied Sciences, Baghdad, Iraq., v. 18, n. 4, 2005. DOI: 10.30526/18.4.4394. Disponível em: https://jih.uobaghdad.edu.iq/index.php/j/article/view/4394. Acesso em: 8 jan. 2026.