"Modification Of The Granular Activated Carbon And Its Effect On Removal Of Cr(VI) From Aqueous Solution In Batch And Fixed-Bed Systems". مجلة الهندسة والتنمية المستدامة, م 18, عدد 1, يناير، 2014, ص 78-94, https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/851.