A. AL-HEMIRI, Adil; JAWAD, Yousif. Differences Between Sodium Metasilicate and Silicic Acid as Silica Source for Zeolite Y Nano particles Synthesis by Sol- Gel Method. Iraqi Journal of Chemical and Petroleum Engineering, Baghdad, Iraq., v. 10, n. 4, p. 13–17, 2009. DOI: 10.31699/IJCPE.2009.4.2. Disponível em: https://ijcpe.uobaghdad.edu.iq/index.php/ijcpe/article/view/416. Acesso em: 28 mar. 2025.