J. Aswad, K. and H. Tobia, F. 2007. Monolith Hydroxysodalite from Low Grade Kaolin and its Application as an Adsorbent for Lead. Iraqi National Journal of Earth Science (INJES). 7, 2 (Dec. 2007), 19–30. DOI:https://doi.org/10.33899/earth.2007.39373.