A.H.Al Robai, H., & S.Ali, K. (2018). Removing of methylene blue dye from it aqueous solutions by using cement kiln dust(ckd). Al-Qadisiyah Journal of Pure Science, 22(4), 88 - 95. Retrieved from https://journalsc.qu.edu.iq/index.php/JOPS/article/view/778