Ping Ling, C., Tan, I.A.W. and Lik Pueh Lim, L. 2016. Fixed-bed Column Study for Adsorption of Cadmium on Oil Palm. Journal of Applied Science & Process Engineering. 3, 2 (Sep. 2016), 60-71. DOI:https://doi.org/10.33736/jaspe.308.2016.