Removal of Direct 50 Dyes from Aqueous Solution Using Natural Clay and Organoclay Adsorbents. Baghdad Sci.J [Internet]. 2015 Mar. 1 [cited 2025 Jun. 18];12(1):157-66. Available from: https://bsj-ojs.uobaghdad.edu.iq/index.php/BSJ/article/view/537