ABD AL-KAREEM, Rawa'a N; MOHAMMED, Yousif I; HIMDAN, Taki Aldin H. Refractive Index and Density of Urea dissolved in Ammonium phosphate’s Solution at Different Temperature. Al-Nahrain Journal of Science, [S. l.], v. 14, n. 4, p. 18–24, 2018. Disponível em: https://anjs.edu.iq/index.php/anjs/article/view/751. Acesso em: 22 may. 2026.