1. Pathogenic protozoa in Malaysian water resources;Ahmad;Sains Malaysiana,1995
2. The Bacteriological Examination of Drinking Water Supplies 1982,1983
3. Outbreaks of cryptosporidiosis,1990
4. Isolation and identification of Giardia cysts, Cryptosporidium oocysts and free living pathogenic amoebae in water etc. 1989,1990
5. Antibody-magnetite method for selective concentration of Giardia lamblia cysts from water samples;Bifulco;Appl. Environ. Microbiol.,1993