Saeed, A.A.H. and Harun, N.Y. and Sufian, S. and Bilad, M.R. and Nufida, B.A. and Ismail, N.M. and Zakaria, Z.Y. and Jagaba, A.H. and Ghaleb, A.A.S. and Al-Dhawi, B.N.S.  (2021) Modeling and optimization of biochar based adsorbent derived from Kenaf using response surface methodology on adsorption of CD2+.  Water (Switzerland), 13 (7).   ISSN 20734441