1. Innovative Practices for Treating Waste Streams Containing Heavy Metals: A Waste Minimization Approach;Grosse,1990
2. Malaysia Environmental Quality Report 2002, Ministry of Science, Technology and the Environment of Malaysia (ISSN 0127-6433), 2002.
3. Preparation and characterization of adsorbents from oil palm fruit solid wastes;Guo;J. Oil Palm Res.,2000
4. Adsorption of sulphur dioxide onto activated carbons prepared from oil palm shells impregnated with potassium hydroxide;Guo;J. Chem. Technol. Biotechnol.,2000
5. G. Guo, The effect of local hydrodynamics on mass transfer in disordered porous media, Ph.D. Dissertation, Louisiana State University, USA, 2002.